15128475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4691}}^1$

素因数の和:4747

約数の個数: 24

約数和(自身を含む): 25599552

約数和(自身を除く): 10471077

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 4691, 14073, 23455, 70365, 117275, 201713, 351825, 605139, 1008565, 3025695, 5042825, 15128475]

約数ペア:

[(1, 15128475), (3, 5042825), (5, 3025695), (15, 1008565), (25, 605139), (43, 351825), (75, 201713), (129, 117275), (215, 70365), (645, 23455), (1075, 14073), (3225, 4691)]