1287761727

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{4591}}^1$

素因数の和:4676

約数の個数: 48

約数和(自身を含む): 2127455232

約数和(自身を除く): 839693505

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 361, 399, 703, 777, 1083, 2109, 2527, 4591, 4921, 7581, 13357, 13773, 14763, 32137, 40071, 87229, 93499, 96411, 169867, 261687, 280497, 509601, 610603, 1189069, 1657351, 1831809, 3227473, 3567207, 4972053, 9682419, 11601457, 22592311, 34804371, 61321987, 67776933, 183965961, 429253909, 1287761727]

約数ペア:

[(1, 1287761727), (3, 429253909), (7, 183965961), (19, 67776933), (21, 61321987), (37, 34804371), (57, 22592311), (111, 11601457), (133, 9682419), (259, 4972053), (361, 3567207), (399, 3227473), (703, 1831809), (777, 1657351), (1083, 1189069), (2109, 610603), (2527, 509601), (4591, 280497), (4921, 261687), (7581, 169867), (13357, 96411), (13773, 93499), (14763, 87229), (32137, 40071)]