161820279

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{580001}}^1$

素因数の和:580038

約数の個数: 12

約数和(自身を含む): 241280832

約数和(自身を除く): 79460553

約数列:

[1, 3, 9, 31, 93, 279, 580001, 1740003, 5220009, 17980031, 53940093, 161820279]

約数ペア:

[(1, 161820279), (3, 53940093), (9, 17980031), (31, 5220009), (93, 1740003), (279, 580001)]