15657121

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 17136000

約数和(自身を除く): 1478879

約数列:

[1, 19, 41, 101, 199, 779, 1919, 3781, 4141, 8159, 20099, 78679, 155021, 381881, 824059, 15657121]

約数ペア:

[(1, 15657121), (19, 824059), (41, 381881), (101, 155021), (199, 78679), (779, 20099), (1919, 8159), (3781, 4141)]