id:A146566 - OEIS Search Results

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Numbers n such that n*sigma_0(n)/(n-sigma_0(n))= c, c an integer.

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3, 4, 8, 12, 18, 24, 36, 40, 60, 84, 156, 180 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A000027(n)*A000005(n)/(A000027(n)-A000005(n))=c, c an integer.`
	CROSSREFS	`Cf. A000027, A000005` `Sequence in context: A138926 A077434 A076136 this_sequence A064188 A147620 A088953` `Adjacent sequences: A146563 A146564 A146565 this_sequence A146567 A146568 A146569`
	KEYWORD	`easy,nonn`
	AUTHOR	`Ctibor O. Zizka (c.zizka(AT)email.cz), Nov 01 2008`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.