1891875

素因数分解:

$3^1\times 5^4\times {\mathrm{1009}}^1$

素因数の和:1032

約数の個数: 20

約数和(自身を含む): 3155240

約数和(自身を除く): 1263365

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1009, 1875, 3027, 5045, 15135, 25225, 75675, 126125, 378375, 630625, 1891875]

約数ペア:

[(1, 1891875), (3, 630625), (5, 378375), (15, 126125), (25, 75675), (75, 25225), (125, 15135), (375, 5045), (625, 3027), (1009, 1875)]