331031547

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 96

約数和(自身を含む): 648560640

約数和(自身を除く): 317529093

約数列:

[1, 3, 7, 9, 11, 19, 21, 31, 33, 57, 63, 77, 93, 99, 133, 171, 209, 217, 231, 279, 341, 399, 589, 627, 651, 693, 811, 1023, 1197, 1463, 1767, 1881, 1953, 2387, 2433, 3069, 4123, 4389, 5301, 5677, 6479, 7161, 7299, 8921, 12369, 13167, 15409, 17031, 19437, 21483, 25141, 26763, 37107, 45353, 46227, 51093, 58311, 62447, 75423, 80289, 107863, 136059, 138681, 169499, 175987, 187341, 226269, 276551, 323589, 408177, 477679, 508497, 527961, 562023, 829653, 970767, 1186493, 1433037, 1525491, 1583883, 1935857, 2488959, 3343753, 3559479, 4299111, 5254469, 5807571, 10031259, 10678437, 15763407, 17422713, 30093777, 36781283, 47290221, 110343849, 331031547]

約数ペア:

[(1, 331031547), (3, 110343849), (7, 47290221), (9, 36781283), (11, 30093777), (19, 17422713), (21, 15763407), (31, 10678437), (33, 10031259), (57, 5807571), (63, 5254469), (77, 4299111), (93, 3559479), (99, 3343753), (133, 2488959), (171, 1935857), (209, 1583883), (217, 1525491), (231, 1433037), (279, 1186493), (341, 970767), (399, 829653), (589, 562023), (627, 527961), (651, 508497), (693, 477679), (811, 408177), (1023, 323589), (1197, 276551), (1463, 226269), (1767, 187341), (1881, 175987), (1953, 169499), (2387, 138681), (2433, 136059), (3069, 107863), (4123, 80289), (4389, 75423), (5301, 62447), (5677, 58311), (6479, 51093), (7161, 46227), (7299, 45353), (8921, 37107), (12369, 26763), (13167, 25141), (15409, 21483), (17031, 19437)]