id:A076400 - OEIS Search Results

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Number of divisors of n-th perfect power.

+0
4

1, 3, 4, 3, 5, 3, 4, 6, 9, 3, 7, 5, 9, 3, 4, 8, 15, 3, 9, 16, 9, 6, 9, 3, 15, 4, 3, 15, 9, 9, 10, 3, 21, 5, 9, 7, 15, 3, 27, 3, 16, 11, 9, 9, 9, 25, 4, 3, 9, 9, 21, 3, 28, 27, 3, 15, 15, 12, 9, 8, 4, 3, 27, 5, 15, 9, 15, 16, 3, 21, 9, 6, 21, 9, 9, 16, 3, 45, 3, 9, 15, 13, 9, 27, 3, 15, 9, 27, 4 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Eric Weisstein's World of Mathematics, Perfect Powers.` `Eric Weisstein's World of Mathematics, Divisor Function.`
	FORMULA	`A000005(A001597(n)).`
	CROSSREFS	`Cf. A076398, A076399, A076401.` `Sequence in context: A072942 A025267 A090739 this_sequence A121889 A045997 A058024` `Adjacent sequences: A076397 A076398 A076399 this_sequence A076401 A076402 A076403`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 09 2002`

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.

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