398857581

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{106277}}^1$

素因数の和:106425

約数の個数: 16

約数和(自身を含む): 595156800

約数和(自身を除く): 196299219

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 106277, 318831, 956493, 2869479, 14772503, 44317509, 132952527, 398857581]

約数ペア:

[(1, 398857581), (3, 132952527), (9, 44317509), (27, 14772503), (139, 2869479), (417, 956493), (1251, 318831), (3753, 106277)]