A074713 - OEIS

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A074713

Numbers n such that the sum of the anti-divisors of n = phi(n).

3, 19, 131, 139, 3949, 5881, 11341, 29501, 65789, 5440591, 2471800109 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`See A066272 for definition of anti-divisor.` `a(12) > 6*10^9. - Donovan Johnson, Feb 04 2012`
	CROSSREFS	`Cf. A000010, A066417.` `Sequence in context: A156069 A058860 A074568 * A199484 A063395 A074567` `Adjacent sequences: A074710 A074711 A074712 * A074714 A074715 A074716`
	KEYWORD	`more,nonn,changed`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Sep 04 2002`
	EXTENSIONS	`Offset corrected and a(10)-a(11) from Donovan Johnson, Feb 04 2012`

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Last modified February 14 15:28 EST 2012. Contains 205630 sequences.