31440035

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 41859888

約数和(自身を除く): 10419853

約数列:

[1, 5, 11, 55, 121, 157, 331, 605, 785, 1655, 1727, 3641, 8635, 18205, 18997, 40051, 51967, 94985, 200255, 259835, 571637, 2858185, 6288007, 31440035]

約数ペア:

[(1, 31440035), (5, 6288007), (11, 2858185), (55, 571637), (121, 259835), (157, 200255), (331, 94985), (605, 51967), (785, 40051), (1655, 18997), (1727, 18205), (3641, 8635)]