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Search: id:A073567
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| A073567 |
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Numbers n such that sigma(n) = phi(n)*omega(n). |
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+0
1
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| 35, 357, 3135, 3339, 5049, 20026, 23374, 25714, 33915, 35074, 35343, 39105, 39585, 55154, 56134, 71145, 124605, 157586, 316274, 317205, 373065, 423045, 435435, 474548, 479655, 559845, 596666, 604012, 696514, 711988, 819772, 1123605
(list; graph; listen)
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OFFSET
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1,1
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PROGRAM
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(PARI) for(n=1, 10000000, if(sigma(n)==eulerphi(n)*omega(n), print1(n, ", "))) (Klasen)
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CROSSREFS
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Sequence in context: A163935 A101099 A027803 this_sequence A133458 A075664 A133317
Adjacent sequences: A073564 A073565 A073566 this_sequence A073568 A073569 A073570
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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), Aug 31 2002
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EXTENSIONS
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More terms from Lambert Klasen (lambert.klasen(AT)gmx.de), Dec 23 2004
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