821304891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{11701}}^1$

素因数の和:12427

約数の個数: 24

約数和(自身を含む): 1296113520

約数和(自身を除く): 474808629

約数列:

[1, 3, 9, 11, 33, 99, 709, 2127, 6381, 7799, 11701, 23397, 35103, 70191, 105309, 128711, 386133, 1158399, 8296009, 24888027, 74664081, 91256099, 273768297, 821304891]

約数ペア:

[(1, 821304891), (3, 273768297), (9, 91256099), (11, 74664081), (33, 24888027), (99, 8296009), (709, 1158399), (2127, 386133), (6381, 128711), (7799, 105309), (11701, 70191), (23397, 35103)]