201998205

素因数分解:

$3^4\times 5^1\times {\mathrm{498761}}^1$

素因数の和:498778

約数の個数: 20

約数和(自身を含む): 362101212

約数和(自身を除く): 160103007

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 498761, 1496283, 2493805, 4488849, 7481415, 13466547, 22444245, 40399641, 67332735, 201998205]

約数ペア:

[(1, 201998205), (3, 67332735), (5, 40399641), (9, 22444245), (15, 13466547), (27, 7481415), (45, 4488849), (81, 2493805), (135, 1496283), (405, 498761)]