180885789

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 311176320

約数和(自身を除く): 130290531

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 181, 203, 261, 543, 547, 609, 1267, 1629, 1641, 1827, 3801, 3829, 4923, 5249, 11403, 11487, 15747, 15863, 34461, 36743, 47241, 47589, 99007, 110229, 111041, 142767, 297021, 330687, 333123, 693049, 891063, 999369, 2079147, 2871203, 6237441, 8613609, 20098421, 25840827, 60295263, 180885789]

約数ペア:

[(1, 180885789), (3, 60295263), (7, 25840827), (9, 20098421), (21, 8613609), (29, 6237441), (63, 2871203), (87, 2079147), (181, 999369), (203, 891063), (261, 693049), (543, 333123), (547, 330687), (609, 297021), (1267, 142767), (1629, 111041), (1641, 110229), (1827, 99007), (3801, 47589), (3829, 47241), (4923, 36743), (5249, 34461), (11403, 15863), (11487, 15747)]