Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #30 Jul 01 2020 15:31:40
%S 1,3,5,7,9,13,15,21,35,39,45,63,65,91,105,117,195,273,315,455,585,819,
%T 1365,4095
%N Divisors of 2^12 - 1.
%H <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>
%t Divisors[2^12 - 1] (* _Alonso del Arte_, May 09 2020 *)
%o (PARI) divisors(2^12-1) \\ _Charles R Greathouse IV_, Jun 21 2017
%o (Scala) (1 to 4095 by 2).filter(4095 % _ == 0) // _Alonso del Arte_, May 09 2020
%Y Cf. A334133.
%K nonn,fini,full,easy
%O 1,2
%A _N. J. A. Sloane_