128538477

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{2417}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 196148160

約数和(自身を除く): 67609683

約数列:

[1, 3, 9, 19, 57, 171, 311, 933, 2417, 2799, 5909, 7251, 17727, 21753, 45923, 53181, 137769, 413307, 751687, 2255061, 6765183, 14282053, 42846159, 128538477]

約数ペア:

[(1, 128538477), (3, 42846159), (9, 14282053), (19, 6765183), (57, 2255061), (171, 751687), (311, 413307), (933, 137769), (2417, 53181), (2799, 45923), (5909, 21753), (7251, 17727)]