140786289

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 251596800

約数和(自身を除く): 110810511

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 139, 161, 189, 207, 233, 417, 483, 621, 699, 973, 1251, 1449, 1631, 2097, 2919, 3197, 3753, 4347, 4893, 5359, 6291, 8757, 9591, 14679, 16077, 22379, 26271, 28773, 32387, 37513, 44037, 48231, 67137, 86319, 97161, 112539, 144693, 201411, 226709, 291483, 337617, 604233, 680127, 744901, 874449, 1012851, 2040381, 2234703, 5214307, 6121143, 6704109, 15642921, 20112327, 46928763, 140786289]

約数ペア:

[(1, 140786289), (3, 46928763), (7, 20112327), (9, 15642921), (21, 6704109), (23, 6121143), (27, 5214307), (63, 2234703), (69, 2040381), (139, 1012851), (161, 874449), (189, 744901), (207, 680127), (233, 604233), (417, 337617), (483, 291483), (621, 226709), (699, 201411), (973, 144693), (1251, 112539), (1449, 97161), (1631, 86319), (2097, 67137), (2919, 48231), (3197, 44037), (3753, 37513), (4347, 32387), (4893, 28773), (5359, 26271), (6291, 22379), (8757, 16077), (9591, 14679)]