31788393

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 53466048

約数和(自身を除く): 21677655

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 169, 273, 371, 507, 689, 1113, 1183, 2067, 2197, 3549, 4823, 6591, 8957, 14469, 15379, 26871, 28561, 46137, 62699, 85683, 116441, 188097, 199927, 349323, 599781, 815087, 1513733, 2445261, 4541199, 10596131, 31788393]

約数ペア:

[(1, 31788393), (3, 10596131), (7, 4541199), (13, 2445261), (21, 1513733), (39, 815087), (53, 599781), (91, 349323), (159, 199927), (169, 188097), (273, 116441), (371, 85683), (507, 62699), (689, 46137), (1113, 28561), (1183, 26871), (2067, 15379), (2197, 14469), (3549, 8957), (4823, 6591)]