72806721

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{881}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 105882336

約数和(自身を除く): 33075615

約数列:

[1, 3, 13, 39, 163, 169, 489, 507, 881, 2119, 2643, 6357, 11453, 27547, 34359, 82641, 143603, 148889, 430809, 446667, 1866839, 5600517, 24268907, 72806721]

約数ペア:

[(1, 72806721), (3, 24268907), (13, 5600517), (39, 1866839), (163, 446667), (169, 430809), (489, 148889), (507, 143603), (881, 82641), (2119, 34359), (2643, 27547), (6357, 11453)]