15104215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 7290665

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 647, 667, 805, 1015, 3235, 3335, 4529, 4669, 14881, 18763, 22645, 23345, 74405, 93815, 104167, 131341, 431549, 520835, 656705, 2157745, 3020843, 15104215]

約数ペア:

[(1, 15104215), (5, 3020843), (7, 2157745), (23, 656705), (29, 520835), (35, 431549), (115, 131341), (145, 104167), (161, 93815), (203, 74405), (647, 23345), (667, 22645), (805, 18763), (1015, 14881), (3235, 4669), (3335, 4529)]