31611879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{997}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 49404992

約数和(自身を除く): 17793113

約数列:

[1, 3, 9, 13, 39, 117, 271, 813, 997, 2439, 2991, 3523, 8973, 10569, 12961, 31707, 38883, 116649, 270187, 810561, 2431683, 3512431, 10537293, 31611879]

約数ペア:

[(1, 31611879), (3, 10537293), (9, 3512431), (13, 2431683), (39, 810561), (117, 270187), (271, 116649), (813, 38883), (997, 31707), (2439, 12961), (2991, 10569), (3523, 8973)]