OFFSET
1,1
MATHEMATICA
Select[Range[200], DivisorSigma[0, #]DivisorSigma[1, #]>Prime[2#]&] (* Harvey P. Dale, Aug 15 2011 *)
PROG
(PARI) for(n=1, 1000, if(sigma(n)*numdiv(n)>prime(2*n), print1(n, ", ")))
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, Feb 28 2002
STATUS
approved