221917866

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{70991}}^1$

素因数の和:71517

約数の個数: 16

約数和(自身を含む): 444693888

約数和(自身を除く): 222776022

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 70991, 141982, 212973, 425946, 36986311, 73972622, 110958933, 221917866]

約数ペア:

[(1, 221917866), (2, 110958933), (3, 73972622), (6, 36986311), (521, 425946), (1042, 212973), (1563, 141982), (3126, 70991)]