3131475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 5303232

約数和(自身を除く): 2171757

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 971, 1075, 2913, 3225, 4855, 14565, 24275, 41753, 72825, 125259, 208765, 626295, 1043825, 3131475]

約数ペア:

[(1, 3131475), (3, 1043825), (5, 626295), (15, 208765), (25, 125259), (43, 72825), (75, 41753), (129, 24275), (215, 14565), (645, 4855), (971, 3225), (1075, 2913)]