19683225

素因数分解:

$3^2\times 5^2\times {\mathrm{87481}}^1$

素因数の和:87497

約数の個数: 18

約数和(自身を含む): 35255246

約数和(自身を除く): 15572021

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 87481, 262443, 437405, 787329, 1312215, 2187025, 3936645, 6561075, 19683225]

約数ペア:

[(1, 19683225), (3, 6561075), (5, 3936645), (9, 2187025), (15, 1312215), (25, 787329), (45, 437405), (75, 262443), (225, 87481)]