25848315

素因数分解:

$3^4\times 5^1\times {\mathrm{63823}}^1$

素因数の和:63840

約数の個数: 20

約数和(自身を含む): 46336224

約数和(自身を除く): 20487909

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63823, 191469, 319115, 574407, 957345, 1723221, 2872035, 5169663, 8616105, 25848315]

約数ペア:

[(1, 25848315), (3, 8616105), (5, 5169663), (9, 2872035), (15, 1723221), (27, 957345), (45, 574407), (81, 319115), (135, 191469), (405, 63823)]