17642853

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1718

約数の個数: 20

約数和(自身を含む): 26561920

約数和(自身を除く): 8919067

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1567, 3753, 4701, 11259, 14103, 42309, 126927, 217813, 653439, 1960317, 5880951, 17642853]

約数ペア:

[(1, 17642853), (3, 5880951), (9, 1960317), (27, 653439), (81, 217813), (139, 126927), (417, 42309), (1251, 14103), (1567, 11259), (3753, 4701)]