9900875

素因数分解:

$5^3\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:887

約数の個数: 16

約数和(自身を含む): 12492480

約数和(自身を除く): 2591605

約数列:

[1, 5, 25, 103, 125, 515, 769, 2575, 3845, 12875, 19225, 79207, 96125, 396035, 1980175, 9900875]

約数ペア:

[(1, 9900875), (5, 1980175), (25, 396035), (103, 96125), (125, 79207), (515, 19225), (769, 12875), (2575, 3845)]