202646025

素因数分解:

$3^2\times 5^2\times {\mathrm{900649}}^1$

素因数の和:900665

約数の個数: 18

約数和(自身を含む): 362961950

約数和(自身を除く): 160315925

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 900649, 2701947, 4503245, 8105841, 13509735, 22516225, 40529205, 67548675, 202646025]

約数ペア:

[(1, 202646025), (3, 67548675), (5, 40529205), (9, 22516225), (15, 13509735), (25, 8105841), (45, 4503245), (75, 2701947), (225, 900649)]