68959815

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 113550336

約数和(自身を除く): 44590521

約数列:

[1, 3, 5, 15, 71, 73, 213, 219, 355, 365, 887, 1065, 1095, 2661, 4435, 5183, 13305, 15549, 25915, 62977, 64751, 77745, 188931, 194253, 314885, 323755, 944655, 971265, 4597321, 13791963, 22986605, 68959815]

約数ペア:

[(1, 68959815), (3, 22986605), (5, 13791963), (15, 4597321), (71, 971265), (73, 944655), (213, 323755), (219, 314885), (355, 194253), (365, 188931), (887, 77745), (1065, 64751), (1095, 62977), (2661, 25915), (4435, 15549), (5183, 13305)]