39990909

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1669}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 62444640

約数和(自身を除く): 22453731

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 1669, 3423, 5007, 7987, 11683, 23961, 35049, 81781, 245343, 272047, 816141, 1904329, 5712987, 13330303, 39990909]

約数ペア:

[(1, 39990909), (3, 13330303), (7, 5712987), (21, 1904329), (49, 816141), (147, 272047), (163, 245343), (489, 81781), (1141, 35049), (1669, 23961), (3423, 11683), (5007, 7987)]