2016897165

素因数分解:

$3^4\times 5^1\times {\mathrm{4979993}}^1$

素因数の和:4980010

約数の個数: 20

約数和(自身を含む): 3615475644

約数和(自身を除く): 1598578479

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4979993, 14939979, 24899965, 44819937, 74699895, 134459811, 224099685, 403379433, 672299055, 2016897165]

約数ペア:

[(1, 2016897165), (3, 672299055), (5, 403379433), (9, 224099685), (15, 134459811), (27, 74699895), (45, 44819937), (81, 24899965), (135, 14939979), (405, 4979993)]