320410485

素因数分解:

$3^4\times 5^1\times {\mathrm{791137}}^1$

素因数の和:791154

約数の個数: 20

約数和(自身を含む): 574366188

約数和(自身を除く): 253955703

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 791137, 2373411, 3955685, 7120233, 11867055, 21360699, 35601165, 64082097, 106803495, 320410485]

約数ペア:

[(1, 320410485), (3, 106803495), (5, 64082097), (9, 35601165), (15, 21360699), (27, 11867055), (45, 7120233), (81, 3955685), (135, 2373411), (405, 791137)]