70290549

素因数分解:

$3^2\times 7^2\times {\mathrm{159389}}^1$

素因数の和:159409

約数の個数: 18

約数和(自身を含む): 118107990

約数和(自身を除く): 47817441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 159389, 478167, 1115723, 1434501, 3347169, 7810061, 10041507, 23430183, 70290549]

約数ペア:

[(1, 70290549), (3, 23430183), (7, 10041507), (9, 7810061), (21, 3347169), (49, 1434501), (63, 1115723), (147, 478167), (441, 159389)]