12515145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2887}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 21278784

約数和(自身を除く): 8763639

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 2887, 4335, 8661, 14435, 43305, 49079, 147237, 245395, 736185, 834343, 2503029, 4171715, 12515145]

約数ペア:

[(1, 12515145), (3, 4171715), (5, 2503029), (15, 834343), (17, 736185), (51, 245395), (85, 147237), (255, 49079), (289, 43305), (867, 14435), (1445, 8661), (2887, 4335)]