2788891287

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1\times {\mathrm{8353}}^1$

素因数の和:9599

約数の個数: 32

約数和(自身を含む): 4580932608

約数和(自身を除く): 1792041321

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1223, 3669, 8353, 8561, 15899, 25059, 25683, 47697, 58471, 108589, 111293, 175413, 325767, 333879, 760123, 2280369, 10215719, 30647157, 71510033, 132804347, 214530099, 398413041, 929630429, 2788891287]

約数ペア:

[(1, 2788891287), (3, 929630429), (7, 398413041), (13, 214530099), (21, 132804347), (39, 71510033), (91, 30647157), (273, 10215719), (1223, 2280369), (3669, 760123), (8353, 333879), (8561, 325767), (15899, 175413), (25059, 111293), (25683, 108589), (47697, 58471)]