15309987

素因数分解:

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

素因数の和:559

約数の個数: 32

約数和(自身を含む): 25657344

約数和(自身を除く): 10347357

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 347, 573, 1041, 1337, 2101, 2429, 3817, 4011, 6303, 7287, 11451, 14707, 26719, 44121, 66277, 80157, 198831, 463939, 729047, 1391817, 2187141, 5103329, 15309987]

約数ペア:

[(1, 15309987), (3, 5103329), (7, 2187141), (11, 1391817), (21, 729047), (33, 463939), (77, 198831), (191, 80157), (231, 66277), (347, 44121), (573, 26719), (1041, 14707), (1337, 11451), (2101, 7287), (2429, 6303), (3817, 4011)]