19728375

素因数分解:

$3^1\times 5^3\times {\mathrm{52609}}^1$

素因数の和:52627

約数の個数: 16

約数和(自身を含む): 32828640

約数和(自身を除く): 13100265

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 52609, 157827, 263045, 789135, 1315225, 3945675, 6576125, 19728375]

約数ペア:

[(1, 19728375), (3, 6576125), (5, 3945675), (15, 1315225), (25, 789135), (75, 263045), (125, 157827), (375, 52609)]