31090269

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10651}}^1$

素因数の和:10800

約数の個数: 16

約数和(自身を含む): 47720960

約数和(自身を除く): 16630691

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 10651, 31953, 74557, 223671, 1480489, 4441467, 10363423, 31090269]

約数ペア:

[(1, 31090269), (3, 10363423), (7, 4441467), (21, 1480489), (139, 223671), (417, 74557), (973, 31953), (2919, 10651)]