647697951

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1931}}^1$

素因数の和:2085

約数の個数: 40

約数和(自身を含む): 1001479248

約数和(自身を除く): 353781297

約数列:

[1, 3, 9, 27, 41, 81, 101, 123, 303, 369, 909, 1107, 1931, 2727, 3321, 4141, 5793, 8181, 12423, 17379, 37269, 52137, 79171, 111807, 156411, 195031, 237513, 335421, 585093, 712539, 1755279, 2137617, 5265837, 6412851, 7996271, 15797511, 23988813, 71966439, 215899317, 647697951]

約数ペア:

[(1, 647697951), (3, 215899317), (9, 71966439), (27, 23988813), (41, 15797511), (81, 7996271), (101, 6412851), (123, 5265837), (303, 2137617), (369, 1755279), (909, 712539), (1107, 585093), (1931, 335421), (2727, 237513), (3321, 195031), (4141, 156411), (5793, 111807), (8181, 79171), (12423, 52137), (17379, 37269)]