76981891

素因数分解:

$7^3\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2303

約数の個数: 16

約数和(自身を含む): 90688000

約数和(自身を除く): 13706109

約数列:

[1, 7, 49, 103, 343, 721, 2179, 5047, 15253, 35329, 106771, 224437, 747397, 1571059, 10997413, 76981891]

約数ペア:

[(1, 76981891), (7, 10997413), (49, 1571059), (103, 747397), (343, 224437), (721, 106771), (2179, 35329), (5047, 15253)]