389631039

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{133481}}^1$

素因数の和:133630

約数の個数: 16

約数和(自身を含む): 597999360

約数和(自身を除く): 208368321

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 133481, 400443, 934367, 2803101, 18553859, 55661577, 129877013, 389631039]

約数ペア:

[(1, 389631039), (3, 129877013), (7, 55661577), (21, 18553859), (139, 2803101), (417, 934367), (973, 400443), (2919, 133481)]