id:A059113 - OEIS Search Results

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Sum of divisors of two distinct coprime squares.

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31, 187131, 347529, 658749, 2106853, 3969147, 4657471, 4980801, 6540807, 10185273, 20421219, 25690413, 42827421, 44136183, 51598911, 73854183, 202765017, 299457613, 307464339, 308953281, 314858271, 504081669, 516979281 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`31 = sigma(4^2) = sigma(5^2); 187131 = sigma(326^2) = sigma(407^2); etc.`
	CROSSREFS	`Sequence in context: A118913 A117579 A107122 this_sequence A057839 A123524 A123523` `Adjacent sequences: A059110 A059111 A059112 this_sequence A059114 A059115 A059116`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net), Jan 04 2001`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

AT&T Labs Research