2100691875

素因数分解:

$3^1\times 5^4\times {\mathrm{1120369}}^1$

素因数の和:1120392

約数の個数: 20

約数和(自身を含む): 3500035880

約数和(自身を除く): 1399344005

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 1120369, 3361107, 5601845, 16805535, 28009225, 84027675, 140046125, 420138375, 700230625, 2100691875]

約数ペア:

[(1, 2100691875), (3, 700230625), (5, 420138375), (15, 140046125), (25, 84027675), (75, 28009225), (125, 16805535), (375, 5601845), (625, 3361107), (1875, 1120369)]