12131781

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 16665600

約数和(自身を除く): 4533819

約数列:

[1, 3, 47, 139, 141, 417, 619, 1857, 6533, 19599, 29093, 86041, 87279, 258123, 4043927, 12131781]

約数ペア:

[(1, 12131781), (3, 4043927), (47, 258123), (139, 87279), (141, 86041), (417, 29093), (619, 19599), (1857, 6533)]