25872471

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 39911040

約数和(自身を除く): 14038569

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 2131, 4047, 6393, 12141, 19179, 40489, 121467, 151301, 364401, 453903, 1361709, 2874719, 8624157, 25872471]

約数ペア:

[(1, 25872471), (3, 8624157), (9, 2874719), (19, 1361709), (57, 453903), (71, 364401), (171, 151301), (213, 121467), (639, 40489), (1349, 19179), (2131, 12141), (4047, 6393)]