2206845

素因数分解:

$3^4\times 5^1\times {\mathrm{5449}}^1$

素因数の和:5466

約数の個数: 20

約数和(自身を含む): 3956700

約数和(自身を除く): 1749855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5449, 16347, 27245, 49041, 81735, 147123, 245205, 441369, 735615, 2206845]

約数ペア:

[(1, 2206845), (3, 735615), (5, 441369), (9, 245205), (15, 147123), (27, 81735), (45, 49041), (81, 27245), (135, 16347), (405, 5449)]