15020889

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 22619520

約数和(自身を除く): 7598631

約数列:

[1, 3, 13, 39, 43, 53, 129, 159, 169, 507, 559, 689, 1677, 2067, 2197, 2279, 6591, 6837, 7267, 8957, 21801, 26871, 29627, 88881, 94471, 116441, 283413, 349323, 385151, 1155453, 5006963, 15020889]

約数ペア:

[(1, 15020889), (3, 5006963), (13, 1155453), (39, 385151), (43, 349323), (53, 283413), (129, 116441), (159, 94471), (169, 88881), (507, 29627), (559, 26871), (689, 21801), (1677, 8957), (2067, 7267), (2197, 6837), (2279, 6591)]