1921375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 2527200

約数和(自身を除く): 605825

約数列:

[1, 5, 19, 25, 95, 125, 475, 809, 2375, 4045, 15371, 20225, 76855, 101125, 384275, 1921375]

約数ペア:

[(1, 1921375), (5, 384275), (19, 101125), (25, 76855), (95, 20225), (125, 15371), (475, 4045), (809, 2375)]