388819953

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{139813}}^1$

素因数の和:139925

約数の個数: 16

約数和(自身を含む): 581626240

約数和(自身を除く): 192806287

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 139813, 419439, 1258317, 3774951, 14400739, 43202217, 129606651, 388819953]

約数ペア:

[(1, 388819953), (3, 129606651), (9, 43202217), (27, 14400739), (103, 3774951), (309, 1258317), (927, 419439), (2781, 139813)]