25991343

素因数分解:

$3^2\times 7^1\times {\mathrm{412561}}^1$

素因数の和:412574

約数の個数: 12

約数和(自身を含む): 42906448

約数和(自身を除く): 16915105

約数列:

[1, 3, 7, 9, 21, 63, 412561, 1237683, 2887927, 3713049, 8663781, 25991343]

約数ペア:

[(1, 25991343), (3, 8663781), (7, 3713049), (9, 2887927), (21, 1237683), (63, 412561)]