8208945

素因数分解:

$3^4\times 5^1\times {\mathrm{20269}}^1$

素因数の和:20286

約数の個数: 20

約数和(自身を含む): 14716020

約数和(自身を除く): 6507075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20269, 60807, 101345, 182421, 304035, 547263, 912105, 1641789, 2736315, 8208945]

約数ペア:

[(1, 8208945), (3, 2736315), (5, 1641789), (9, 912105), (15, 547263), (27, 304035), (45, 182421), (81, 101345), (135, 60807), (405, 20269)]