20172861

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{18223}}^1$

素因数の和:18273

約数の個数: 16

約数和(自身を含む): 30616320

約数和(自身を除く): 10443459

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 18223, 54669, 164007, 492021, 747143, 2241429, 6724287, 20172861]

約数ペア:

[(1, 20172861), (3, 6724287), (9, 2241429), (27, 747143), (41, 492021), (123, 164007), (369, 54669), (1107, 18223)]