28521927

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1129}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 47243040

約数和(自身を除く): 18721113

約数列:

[1, 3, 7, 9, 21, 63, 401, 1129, 1203, 2807, 3387, 3609, 7903, 8421, 10161, 23709, 25263, 71127, 452729, 1358187, 3169103, 4074561, 9507309, 28521927]

約数ペア:

[(1, 28521927), (3, 9507309), (7, 4074561), (9, 3169103), (21, 1358187), (63, 452729), (401, 71127), (1129, 25263), (1203, 23709), (2807, 10161), (3387, 8421), (3609, 7903)]