201340485

素因数分解:

$3^4\times 5^1\times {\mathrm{497137}}^1$

素因数の和:497154

約数の個数: 20

約数和(自身を含む): 360922188

約数和(自身を除く): 159581703

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497137, 1491411, 2485685, 4474233, 7457055, 13422699, 22371165, 40268097, 67113495, 201340485]

約数ペア:

[(1, 201340485), (3, 67113495), (5, 40268097), (9, 22371165), (15, 13422699), (27, 7457055), (45, 4474233), (81, 2485685), (135, 1491411), (405, 497137)]