12932721

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 19491264

約数和(自身を除く): 6558543

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 547, 639, 1641, 2627, 4923, 7881, 20239, 23643, 38837, 60717, 116511, 182151, 349533, 1436969, 4310907, 12932721]

約数ペア:

[(1, 12932721), (3, 4310907), (9, 1436969), (37, 349533), (71, 182151), (111, 116511), (213, 60717), (333, 38837), (547, 23643), (639, 20239), (1641, 7881), (2627, 4923)]