315405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 562848

約数和(自身を除く): 247443

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 163, 215, 387, 489, 645, 815, 1467, 1935, 2445, 7009, 7335, 21027, 35045, 63081, 105135, 315405]

約数ペア:

[(1, 315405), (3, 105135), (5, 63081), (9, 35045), (15, 21027), (43, 7335), (45, 7009), (129, 2445), (163, 1935), (215, 1467), (387, 815), (489, 645)]