81417186

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{6991}}^1$

素因数の和:7646

約数の個数: 24

約数和(自身を含む): 176701824

約数和(自身を除く): 95284638

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1941, 3882, 5823, 6991, 11646, 13982, 20973, 41946, 62919, 125838, 4523177, 9046354, 13569531, 27139062, 40708593, 81417186]

約数ペア:

[(1, 81417186), (2, 40708593), (3, 27139062), (6, 13569531), (9, 9046354), (18, 4523177), (647, 125838), (1294, 62919), (1941, 41946), (3882, 20973), (5823, 13982), (6991, 11646)]