2399787

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 4024944

約数和(自身を除く): 1625157

約数列:

[1, 3, 9, 13, 27, 39, 43, 53, 81, 117, 129, 159, 351, 387, 477, 559, 689, 1053, 1161, 1431, 1677, 2067, 2279, 3483, 4293, 5031, 6201, 6837, 15093, 18603, 20511, 29627, 45279, 55809, 61533, 88881, 184599, 266643, 799929, 2399787]

約数ペア:

[(1, 2399787), (3, 799929), (9, 266643), (13, 184599), (27, 88881), (39, 61533), (43, 55809), (53, 45279), (81, 29627), (117, 20511), (129, 18603), (159, 15093), (351, 6837), (387, 6201), (477, 5031), (559, 4293), (689, 3483), (1053, 2279), (1161, 2067), (1431, 1677)]