28995165

素因数分解:

$3^4\times 5^1\times {\mathrm{71593}}^1$

素因数の和:71610

約数の個数: 20

約数和(自身を含む): 51977244

約数和(自身を除く): 22982079

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 71593, 214779, 357965, 644337, 1073895, 1933011, 3221685, 5799033, 9665055, 28995165]

約数ペア:

[(1, 28995165), (3, 9665055), (5, 5799033), (9, 3221685), (15, 1933011), (27, 1073895), (45, 644337), (81, 357965), (135, 214779), (405, 71593)]