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%I #7 Dec 01 2013 13:20:34
%S 84889,376443,1260615,2703555,4883751,7551847,8894695,9387081,
%T 10142181,12600825,39450985,57924711,72978693,73534503,166503105,
%U 428777995,563715879,578643967,583540893,1181555907,1598569785,1779455211,2917138191,3078534559,3318534361
%N Numbers n such that sigma(n)+n divides sigma(n^2).
%o (PARI) for(n=1, 10^8, if(sigma(n^2)%(sigma(n)+n)==0, print1(n ", "))) \\ _Donovan Johnson_, Nov 30 2013
%Y Cf. A000203 (sigma(n) = sum of divisors of n).
%Y Cf. A232547, A232703.
%K nonn
%O 1,1
%A _Alex Ratushnyak_, Nov 28 2013
%E a(23)-a(25) from _Donovan Johnson_, Nov 30 2013