28715001

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{7639}}^1$

素因数の和:7828

約数の個数: 16

約数和(自身を含む): 44006400

約数和(自身を除く): 15291399

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 7639, 22917, 53473, 160419, 1367381, 4102143, 9571667, 28715001]

約数ペア:

[(1, 28715001), (3, 9571667), (7, 4102143), (21, 1367381), (179, 160419), (537, 53473), (1253, 22917), (3759, 7639)]