155643839

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20327}}^1$

素因数の和:20390

約数の個数: 16

約数和(自身を含む): 182138880

約数和(自身を除く): 26495041

約数列:

[1, 13, 19, 31, 247, 403, 589, 7657, 20327, 264251, 386213, 630137, 5020769, 8191781, 11972603, 155643839]

約数ペア:

[(1, 155643839), (13, 11972603), (19, 8191781), (31, 5020769), (247, 630137), (403, 386213), (589, 264251), (7657, 20327)]