71814561

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1129}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 118460160

約数和(自身を除く): 46645599

約数列:

[1, 3, 7, 13, 21, 39, 91, 233, 273, 699, 1129, 1631, 3029, 3387, 4893, 7903, 9087, 14677, 21203, 23709, 44031, 63609, 102739, 263057, 308217, 789171, 1841399, 3419741, 5524197, 10259223, 23938187, 71814561]

約数ペア:

[(1, 71814561), (3, 23938187), (7, 10259223), (13, 5524197), (21, 3419741), (39, 1841399), (91, 789171), (233, 308217), (273, 263057), (699, 102739), (1129, 63609), (1631, 44031), (3029, 23709), (3387, 21203), (4893, 14677), (7903, 9087)]