31875415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 45460800

約数和(自身を除く): 13585385

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 409, 545, 715, 1199, 1417, 2045, 4499, 5317, 5995, 7085, 15587, 22495, 26585, 44581, 58487, 77935, 222905, 292435, 490391, 579553, 2451955, 2897765, 6375083, 31875415]

約数ペア:

[(1, 31875415), (5, 6375083), (11, 2897765), (13, 2451955), (55, 579553), (65, 490391), (109, 292435), (143, 222905), (409, 77935), (545, 58487), (715, 44581), (1199, 26585), (1417, 22495), (2045, 15587), (4499, 7085), (5317, 5995)]