31121781

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{2203}}^1$

素因数の和:2500

約数の個数: 16

約数和(自身を含む): 44115264

約数和(自身を除く): 12993483

約数列:

[1, 3, 17, 51, 277, 831, 2203, 4709, 6609, 14127, 37451, 112353, 610231, 1830693, 10373927, 31121781]

約数ペア:

[(1, 31121781), (3, 10373927), (17, 1830693), (51, 610231), (277, 112353), (831, 37451), (2203, 14127), (4709, 6609)]