266643

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 432432

約数和(自身を除く): 165789

約数列:

[1, 3, 9, 13, 39, 43, 53, 117, 129, 159, 387, 477, 559, 689, 1677, 2067, 2279, 5031, 6201, 6837, 20511, 29627, 88881, 266643]

約数ペア:

[(1, 266643), (3, 88881), (9, 29627), (13, 20511), (39, 6837), (43, 6201), (53, 5031), (117, 2279), (129, 2067), (159, 1677), (387, 689), (477, 559)]