2580123

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{727}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 4263168

約数和(自身を除く): 1683045

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 727, 1183, 2181, 3549, 5089, 9451, 15267, 28353, 66157, 122863, 198471, 368589, 860041, 2580123]

約数ペア:

[(1, 2580123), (3, 860041), (7, 368589), (13, 198471), (21, 122863), (39, 66157), (91, 28353), (169, 15267), (273, 9451), (507, 5089), (727, 3549), (1183, 2181)]