131031837

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{43721}}^1$

素因数の和:43770

約数の個数: 20

約数和(自身を含む): 201033756

約数和(自身を除く): 70001919

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 43721, 131163, 393489, 1180467, 1617677, 3541401, 4853031, 14559093, 43677279, 131031837]

約数ペア:

[(1, 131031837), (3, 43677279), (9, 14559093), (27, 4853031), (37, 3541401), (81, 1617677), (111, 1180467), (333, 393489), (999, 131163), (2997, 43721)]