1661566809

素因数分解:

$3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{128237}}^1$

素因数の和:128864

約数の個数: 16

約数和(自身を含む): 2536034688

約数和(自身を除く): 874467879

約数列:

[1, 3, 7, 21, 617, 1851, 4319, 12957, 128237, 384711, 897659, 2692977, 79122229, 237366687, 553855603, 1661566809]

約数ペア:

[(1, 1661566809), (3, 553855603), (7, 237366687), (21, 79122229), (617, 2692977), (1851, 897659), (4319, 384711), (12957, 128237)]