81353619

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{421}}^2$

素因数の和:868

約数の個数: 24

約数和(自身を含む): 127917360

約数和(自身を除く): 46563741

約数列:

[1, 3, 9, 17, 27, 51, 153, 421, 459, 1263, 3789, 7157, 11367, 21471, 64413, 177241, 193239, 531723, 1595169, 3013097, 4785507, 9039291, 27117873, 81353619]

約数ペア:

[(1, 81353619), (3, 27117873), (9, 9039291), (17, 4785507), (27, 3013097), (51, 1595169), (153, 531723), (421, 193239), (459, 177241), (1263, 64413), (3789, 21471), (7157, 11367)]