251188533

素因数分解:

$3^4\times {\mathrm{1567}}^1\times {\mathrm{1979}}^1$

素因数の和:3558

約数の個数: 20

約数和(自身を含む): 375661440

約数和(自身を除く): 124472907

約数列:

[1, 3, 9, 27, 81, 1567, 1979, 4701, 5937, 14103, 17811, 42309, 53433, 126927, 160299, 3101093, 9303279, 27909837, 83729511, 251188533]

約数ペア:

[(1, 251188533), (3, 83729511), (9, 27909837), (27, 9303279), (81, 3101093), (1567, 160299), (1979, 126927), (4701, 53433), (5937, 42309), (14103, 17811)]