15649893

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 27181440

約数和(自身を除く): 11531547

約数列:

[1, 3, 7, 9, 21, 43, 53, 63, 109, 129, 159, 301, 327, 371, 387, 477, 763, 903, 981, 1113, 2279, 2289, 2709, 3339, 4687, 5777, 6837, 6867, 14061, 15953, 17331, 20511, 32809, 40439, 42183, 47859, 51993, 98427, 121317, 143577, 248411, 295281, 363951, 745233, 1738877, 2235699, 5216631, 15649893]

約数ペア:

[(1, 15649893), (3, 5216631), (7, 2235699), (9, 1738877), (21, 745233), (43, 363951), (53, 295281), (63, 248411), (109, 143577), (129, 121317), (159, 98427), (301, 51993), (327, 47859), (371, 42183), (387, 40439), (477, 32809), (763, 20511), (903, 17331), (981, 15953), (1113, 14061), (2279, 6867), (2289, 6837), (2709, 5777), (3339, 4687)]