16580295

素因数分解:

$3^4\times 5^1\times {\mathrm{40939}}^1$

素因数の和:40956

約数の個数: 20

約数和(自身を含む): 29722440

約数和(自身を除く): 13142145

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 40939, 122817, 204695, 368451, 614085, 1105353, 1842255, 3316059, 5526765, 16580295]

約数ペア:

[(1, 16580295), (3, 5526765), (5, 3316059), (9, 1842255), (15, 1105353), (27, 614085), (45, 368451), (81, 204695), (135, 122817), (405, 40939)]