56619549

素因数分解:

$3^2\times 7^2\times {\mathrm{128389}}^1$

素因数の和:128409

約数の個数: 18

約数和(自身を含む): 95136990

約数和(自身を除く): 38517441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 128389, 385167, 898723, 1155501, 2696169, 6291061, 8088507, 18873183, 56619549]

約数ペア:

[(1, 56619549), (3, 18873183), (7, 8088507), (9, 6291061), (21, 2696169), (49, 1155501), (63, 898723), (147, 385167), (441, 128389)]