27827215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25183}}^1$

素因数の和:25218

約数の個数: 16

約数和(自身を含む): 38078208

約数和(自身を除く): 10250993

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 25183, 125915, 327379, 428111, 1636895, 2140555, 5565443, 27827215]

約数ペア:

[(1, 27827215), (5, 5565443), (13, 2140555), (17, 1636895), (65, 428111), (85, 327379), (221, 125915), (1105, 25183)]