25680207

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20047}}^1$

素因数の和:20118

約数の個数: 16

約数和(自身を含む): 39775232

約数和(自身を除く): 14095025

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 20047, 60141, 140329, 420987, 1222867, 3668601, 8560069, 25680207]

約数ペア:

[(1, 25680207), (3, 8560069), (7, 3668601), (21, 1222867), (61, 420987), (183, 140329), (427, 60141), (1281, 20047)]