A113522 Divisors of 10^18 - 1.

1, 3, 7, 9, 11, 13, 19, 21, 27, 33, 37, 39, 57, 63, 77, 81, 91, 99, 111, 117, 133, 143, 171, 189, 209, 231, 247, 259, 273, 297, 333, 351, 399, 407, 429, 481, 513, 567, 627, 693, 703, 741, 777, 819, 891, 999, 1001, 1053, 1197, 1221, 1287, 1443, 1463, 1539, 1729

Offset: 1

Author

Douglas Winston (douglas.winston(AT)srupc.com), Jan 12 2006

Keywords

• nonn
• fini
• full
• easy

Links

• Nathaniel Johnston, Table of n, a(n) for n = 1..640 (full sequence)
• Index entries for sequences related to divisors of numbers

Crossrefs

Cf. A018282, A018766, A027894, A027893, A027892, A027891, A027890, A027889, A027895, A027896, A027897, A109933, A106305, A111117, A111211, A113116, A001270, A007138, A046107, A112505.

Programs

Mathematica

Divisors[10^18 - 1][[;;100]] (* Paolo Xausa, Jul 31 2024 *)

PARI

divisors(10^18-1) \\ Charles R Greathouse IV, Jun 21 2017