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 A003553 Divisors of 2^48 - 1. 1
 1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 97, 105, 117, 119, 153, 195, 221, 241, 255, 257, 273, 291, 315, 357, 455, 485, 585, 595, 663, 673, 679, 723, 765, 771, 819, 873, 1071, 1105, 1205, 1261 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The following triangular numbers belong to this sequence: 1, 3, 15, 21, 45, 91, 105, 153, 595, 4095, 18915. - Bruno Berselli, Jul 12 2014 LINKS T. D. Noe, Table of n, a(n) for n = 1..768 (all divisors) MATHEMATICA Divisors[2^48-1] (* Harvey P. Dale, Oct 13 2020 *) PROG (PARI) divisors(2^48-1) \\ Charles R Greathouse IV, Jun 21 2017 CROSSREFS Sequence in context: A331589 A063951 A131437 * A003532 A156982 A224195 Adjacent sequences:  A003550 A003551 A003552 * A003554 A003555 A003556 KEYWORD nonn,fini,full,easy AUTHOR STATUS approved

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Last modified May 27 21:14 EDT 2022. Contains 354110 sequences. (Running on oeis4.)