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Search: id:A069493
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| A069493 |
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6-full numbers: if p divides n then so does p^6. |
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+0
2
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| 1, 64, 128, 256, 512, 729, 1024, 2048, 2187, 4096, 6561, 8192, 15625, 16384, 19683, 32768, 46656, 59049, 65536, 78125, 93312, 117649, 131072, 139968, 177147, 186624, 262144, 279936, 373248, 390625, 419904, 524288, 531441, 559872
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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2^7*3^6 = 93312 is a member (although not of A076470).
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PROGRAM
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(PARI) for(n=1, 560000, if(n*sumdiv(n, d, isprime(d)/d^6)==floor(n*sumdiv(n, d, isprime(d)/d^6)), print1(n, ", ")))
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CROSSREFS
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Cf. A036967, A036966, A001694. Different from A076470.
Sequence in context: A031489 A043335 A023708 this_sequence A076470 A031464 A045076
Adjacent sequences: A069490 A069491 A069492 this_sequence A069494 A069495 A069496
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KEYWORD
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easy,nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 15 2002
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