20625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1$

素因数の和:34

約数の個数: 20

約数和(自身を含む): 37488

約数和(自身を除く): 16863

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 825, 1375, 1875, 4125, 6875, 20625]

約数ペア:

[(1, 20625), (3, 6875), (5, 4125), (11, 1875), (15, 1375), (25, 825), (33, 625), (55, 375), (75, 275), (125, 165)]