31316415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3979

約数の個数: 32

約数和(自身を含む): 55290816

約数和(自身を除く): 23974401

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 3917, 7995, 11751, 19585, 50921, 58755, 152763, 160597, 254605, 481791, 763815, 802985, 2087761, 2408955, 6263283, 10438805, 31316415]

約数ペア:

[(1, 31316415), (3, 10438805), (5, 6263283), (13, 2408955), (15, 2087761), (39, 802985), (41, 763815), (65, 481791), (123, 254605), (195, 160597), (205, 152763), (533, 58755), (615, 50921), (1599, 19585), (2665, 11751), (3917, 7995)]