25254255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129509}}^1$

素因数の和:129530

約数の個数: 16

約数和(自身を含む): 43515360

約数和(自身を除く): 18261105

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 129509, 388527, 647545, 1683617, 1942635, 5050851, 8418085, 25254255]

約数ペア:

[(1, 25254255), (3, 8418085), (5, 5050851), (13, 1942635), (15, 1683617), (39, 647545), (65, 388527), (195, 129509)]