28642263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43201}}^1$

素因数の和:43234

約数の個数: 16

約数和(自身を含む): 43547616

約数和(自身を除く): 14905353

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 43201, 129603, 561613, 734417, 1684839, 2203251, 9547421, 28642263]

約数ペア:

[(1, 28642263), (3, 9547421), (13, 2203251), (17, 1684839), (39, 734417), (51, 561613), (221, 129603), (663, 43201)]