408182489

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19961}}^1$

素因数の和:20009

約数の個数: 18

約数和(自身を含む): 485855118

約数和(自身を除く): 77672629

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 19961, 20449, 219571, 259493, 2415281, 2854423, 3373409, 31398653, 37107499, 408182489]

約数ペア:

[(1, 408182489), (11, 37107499), (13, 31398653), (121, 3373409), (143, 2854423), (169, 2415281), (1573, 259493), (1859, 219571), (19961, 20449)]