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A003547
Divisors of 2^42 - 1.
1
1, 3, 7, 9, 21, 43, 49, 63, 127, 129, 147, 301, 337, 381, 387, 441, 889, 903, 1011, 1143, 2107, 2359, 2667, 2709, 3033, 5419, 5461, 6223, 6321, 7077, 8001, 14491, 16257, 16383, 16513, 18669, 18963, 21231
OFFSET
1,2
MATHEMATICA
Divisors[2^42-1] (* Harvey P. Dale, Mar 01 2012 *)
PROG
(PARI) divisors(2^42-1) \\ Charles R Greathouse IV, Jun 21 2017
CROSSREFS
Sequence in context: A018522 A018326 A061975 * A029491 A018458 A029539
KEYWORD
nonn,fini,full,easy
STATUS
approved