30720906

素因数分解:

$2^1\times 3^2\times {\mathrm{677}}^1\times {\mathrm{2521}}^1$

素因数の和:3206

約数の個数: 24

約数和(自身を含む): 66686724

約数和(自身を除く): 35965818

約数列:

[1, 2, 3, 6, 9, 18, 677, 1354, 2031, 2521, 4062, 5042, 6093, 7563, 12186, 15126, 22689, 45378, 1706717, 3413434, 5120151, 10240302, 15360453, 30720906]

約数ペア:

[(1, 30720906), (2, 15360453), (3, 10240302), (6, 5120151), (9, 3413434), (18, 1706717), (677, 45378), (1354, 22689), (2031, 15126), (2521, 12186), (4062, 7563), (5042, 6093)]