81253795

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 122898240

約数和(自身を除く): 41644445

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 277, 289, 493, 595, 1015, 1385, 1445, 1939, 2023, 2465, 3451, 4709, 8033, 8381, 9695, 10115, 17255, 23545, 32963, 40165, 41905, 56231, 58667, 80053, 136561, 164815, 281155, 293335, 400265, 560371, 682805, 955927, 2321537, 2801855, 4779635, 11607685, 16250759, 81253795]

約数ペア:

[(1, 81253795), (5, 16250759), (7, 11607685), (17, 4779635), (29, 2801855), (35, 2321537), (85, 955927), (119, 682805), (145, 560371), (203, 400265), (277, 293335), (289, 281155), (493, 164815), (595, 136561), (1015, 80053), (1385, 58667), (1445, 56231), (1939, 41905), (2023, 40165), (2465, 32963), (3451, 23545), (4709, 17255), (8033, 10115), (8381, 9695)]