1913457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 3232768

約数和(自身を除く): 1319311

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 163, 273, 301, 489, 559, 903, 1141, 1677, 2119, 3423, 3913, 6357, 7009, 11739, 14833, 21027, 44499, 49063, 91117, 147189, 273351, 637819, 1913457]

約数ペア:

[(1, 1913457), (3, 637819), (7, 273351), (13, 147189), (21, 91117), (39, 49063), (43, 44499), (91, 21027), (129, 14833), (163, 11739), (273, 7009), (301, 6357), (489, 3913), (559, 3423), (903, 2119), (1141, 1677)]