28276287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42649}}^1$

素因数の和:42682

約数の個数: 16

約数和(自身を含む): 42991200

約数和(自身を除く): 14714913

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42649, 127947, 554437, 725033, 1663311, 2175099, 9425429, 28276287]

約数ペア:

[(1, 28276287), (3, 9425429), (13, 2175099), (17, 1663311), (39, 725033), (51, 554437), (221, 127947), (663, 42649)]