265863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 405216

約数和(自身を除く): 139353

約数列:

[1, 3, 13, 17, 39, 51, 221, 401, 663, 1203, 5213, 6817, 15639, 20451, 88621, 265863]

約数ペア:

[(1, 265863), (3, 88621), (13, 20451), (17, 15639), (39, 6817), (51, 5213), (221, 1203), (401, 663)]