640147315059

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109258801}}^1$

素因数の和:109258848

約数の個数: 32

約数和(自身を含む): 1118810132480

約数和(自身を除く): 478662817421

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 109258801, 327776403, 764811607, 983329209, 2294434821, 2949987627, 3387022831, 6883304463, 10161068493, 20649913389, 23709159817, 30483205479, 71127479451, 91449616437, 213382438353, 640147315059]

約数ペア:

[(1, 640147315059), (3, 213382438353), (7, 91449616437), (9, 71127479451), (21, 30483205479), (27, 23709159817), (31, 20649913389), (63, 10161068493), (93, 6883304463), (189, 3387022831), (217, 2949987627), (279, 2294434821), (651, 983329209), (837, 764811607), (1953, 327776403), (5859, 109258801)]