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%I #17 Dec 15 2017 17:35:14
%S 1,1,7,40,511,3906,138811,960800,33554431,581130733,24987792457,
%T 313842837672,26748283770391,328114698808274,25927224666044919,
%U 821051025385244160,36893488147419103231,878942778254232811938
%N Sum of the divisors of n^n (A000312).
%H Harry J. Smith, <a href="/A062727/b062727.txt">Table of n, a(n) for n = 0..100</a>
%F a(n) = A000203(A000312(n)). - _Michel Marcus_, Jan 10 2015
%t Table[DivisorSigma[1,n^n],{n,1,5!}] (* _Vladimir Joseph Stephan Orlovsky_, Feb 26 2009 *)
%o (PARI) for(n=0,22,print(sigma(n^n)))
%o (PARI) { for (n=0, 100, write("b062727.txt", n, " ", sigma(n^n)) ) } \\ _Harry J. Smith_, Aug 09 2009
%Y Cf. A000312.
%K nonn
%O 0,3
%A _Jason Earls_, Jul 11 2001