16551717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 28600320

約数和(自身を除く): 12048603

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3191, 5187, 9573, 22337, 41483, 60629, 67011, 124449, 181887, 290381, 424403, 788177, 871143, 1273209, 2364531, 5517239, 16551717]

約数ペア:

[(1, 16551717), (3, 5517239), (7, 2364531), (13, 1273209), (19, 871143), (21, 788177), (39, 424403), (57, 290381), (91, 181887), (133, 124449), (247, 67011), (273, 60629), (399, 41483), (741, 22337), (1729, 9573), (3191, 5187)]