389968293

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47843}}^1$

素因数の和:47889

約数の個数: 32

約数和(自身を含む): 643023360

約数和(自身を除く): 253055067

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 47843, 143529, 526273, 621959, 909017, 1578819, 1865877, 2727051, 6841549, 9999187, 11817221, 20524647, 29997561, 35451663, 129989431, 389968293]

約数ペア:

[(1, 389968293), (3, 129989431), (11, 35451663), (13, 29997561), (19, 20524647), (33, 11817221), (39, 9999187), (57, 6841549), (143, 2727051), (209, 1865877), (247, 1578819), (429, 909017), (627, 621959), (741, 526273), (2717, 143529), (8151, 47843)]