28525203

素因数分解:

$3^4\times 7^2\times {\mathrm{7187}}^1$

素因数の和:7213

約数の個数: 30

約数和(自身を含む): 49575636

約数和(自身を除く): 21050433

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7187, 21561, 50309, 64683, 150927, 194049, 352163, 452781, 582147, 1056489, 1358343, 3169467, 4075029, 9508401, 28525203]

約数ペア:

[(1, 28525203), (3, 9508401), (7, 4075029), (9, 3169467), (21, 1358343), (27, 1056489), (49, 582147), (63, 452781), (81, 352163), (147, 194049), (189, 150927), (441, 64683), (567, 50309), (1323, 21561), (3969, 7187)]