1914375

素因数分解:

$3^1\times 5^4\times {\mathrm{1021}}^1$

素因数の和:1044

約数の個数: 20

約数和(自身を含む): 3192728

約数和(自身を除く): 1278353

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1021, 1875, 3063, 5105, 15315, 25525, 76575, 127625, 382875, 638125, 1914375]

約数ペア:

[(1, 1914375), (3, 638125), (5, 382875), (15, 127625), (25, 76575), (75, 25525), (125, 15315), (375, 5105), (625, 3063), (1021, 1875)]