39995721

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{10657}}^1$

素因数の和:10805

約数の個数: 16

約数和(自身を含む): 59684800

約数和(自身を除く): 19689079

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 10657, 31971, 95913, 287739, 1481323, 4443969, 13331907, 39995721]

約数ペア:

[(1, 39995721), (3, 13331907), (9, 4443969), (27, 1481323), (139, 287739), (417, 95913), (1251, 31971), (3753, 10657)]