218976777

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 347343360

約数和(自身を除く): 128366583

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 243, 279, 369, 709, 837, 1107, 1271, 2127, 2511, 3321, 3813, 6381, 7533, 9963, 11439, 19143, 21979, 29069, 34317, 57429, 65937, 87207, 102951, 172287, 197811, 261621, 308853, 593433, 784863, 901139, 1780299, 2354589, 2703417, 5340897, 7063767, 8110251, 24330753, 72992259, 218976777]

約数ペア:

[(1, 218976777), (3, 72992259), (9, 24330753), (27, 8110251), (31, 7063767), (41, 5340897), (81, 2703417), (93, 2354589), (123, 1780299), (243, 901139), (279, 784863), (369, 593433), (709, 308853), (837, 261621), (1107, 197811), (1271, 172287), (2127, 102951), (2511, 87207), (3321, 65937), (3813, 57429), (6381, 34317), (7533, 29069), (9963, 21979), (11439, 19143)]