2808021225

素因数分解:

$3^1\times 5^2\times {\mathrm{37440283}}^1$

素因数の和:37440296

約数の個数: 12

約数和(自身を含む): 4642595216

約数和(自身を除く): 1834573991

約数列:

[1, 3, 5, 15, 25, 75, 37440283, 112320849, 187201415, 561604245, 936007075, 2808021225]

約数ペア:

[(1, 2808021225), (3, 936007075), (5, 561604245), (15, 187201415), (25, 112320849), (75, 37440283)]