315914613

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{15461}}^1$

素因数の和:15617

約数の個数: 24

約数和(自身を含む): 493547040

約数和(自身を除く): 177632427

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6811, 15461, 20433, 46383, 108227, 324681, 757589, 2149079, 2272767, 6447237, 15043553, 45130659, 105304871, 315914613]

約数ペア:

[(1, 315914613), (3, 105304871), (7, 45130659), (21, 15043553), (49, 6447237), (139, 2272767), (147, 2149079), (417, 757589), (973, 324681), (2919, 108227), (6811, 46383), (15461, 20433)]