212331555

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8011}}^1$

素因数の和:8072

約数の個数: 48

約数和(自身を含む): 399959040

約数和(自身を除く): 187627485

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 1395, 1767, 2945, 5301, 8011, 8835, 24033, 26505, 40055, 72099, 120165, 152209, 248341, 360495, 456627, 745023, 761045, 1241705, 1369881, 2235069, 2283135, 3725115, 4718479, 6849405, 11175345, 14155437, 23592395, 42466311, 70777185, 212331555]

約数ペア:

[(1, 212331555), (3, 70777185), (5, 42466311), (9, 23592395), (15, 14155437), (19, 11175345), (31, 6849405), (45, 4718479), (57, 3725115), (93, 2283135), (95, 2235069), (155, 1369881), (171, 1241705), (279, 761045), (285, 745023), (465, 456627), (589, 360495), (855, 248341), (1395, 152209), (1767, 120165), (2945, 72099), (5301, 40055), (8011, 26505), (8835, 24033)]