168409857

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 284368896

約数和(自身を除く): 115959039

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 191, 231, 347, 363, 573, 847, 1041, 1337, 2101, 2429, 2541, 3817, 4011, 6303, 7287, 11451, 14707, 23111, 26719, 41987, 44121, 66277, 69333, 80157, 125961, 161777, 198831, 293909, 463939, 485331, 729047, 881727, 1391817, 2187141, 5103329, 8019517, 15309987, 24058551, 56136619, 168409857]

約数ペア:

[(1, 168409857), (3, 56136619), (7, 24058551), (11, 15309987), (21, 8019517), (33, 5103329), (77, 2187141), (121, 1391817), (191, 881727), (231, 729047), (347, 485331), (363, 463939), (573, 293909), (847, 198831), (1041, 161777), (1337, 125961), (2101, 80157), (2429, 69333), (2541, 66277), (3817, 44121), (4011, 41987), (6303, 26719), (7287, 23111), (11451, 14707)]