218662155

素因数分解:

$3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{12821}}^1$

素因数の和:13211

約数の個数: 24

約数和(自身を含む): 380044080

約数和(自身を除く): 161381925

約数列:

[1, 3, 5, 9, 15, 45, 379, 1137, 1895, 3411, 5685, 12821, 17055, 38463, 64105, 115389, 192315, 576945, 4859159, 14577477, 24295795, 43732431, 72887385, 218662155]

約数ペア:

[(1, 218662155), (3, 72887385), (5, 43732431), (9, 24295795), (15, 14577477), (45, 4859159), (379, 576945), (1137, 192315), (1895, 115389), (3411, 64105), (5685, 38463), (12821, 17055)]