291238011

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{83617}}^1$

素因数の和:83672

約数の個数: 20

約数和(自身を含む): 445182232

約数和(自身を除く): 153944221

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 83617, 250851, 752553, 2257659, 3595531, 6772977, 10786593, 32359779, 97079337, 291238011]

約数ペア:

[(1, 291238011), (3, 97079337), (9, 32359779), (27, 10786593), (43, 6772977), (81, 3595531), (129, 2257659), (387, 752553), (1161, 250851), (3483, 83617)]