28683315

素因数分解:

$3^4\times 5^1\times {\mathrm{70823}}^1$

素因数の和:70840

約数の個数: 20

約数和(自身を含む): 51418224

約数和(自身を除く): 22734909

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70823, 212469, 354115, 637407, 1062345, 1912221, 3187035, 5736663, 9561105, 28683315]

約数ペア:

[(1, 28683315), (3, 9561105), (5, 5736663), (9, 3187035), (15, 1912221), (27, 1062345), (45, 637407), (81, 354115), (135, 212469), (405, 70823)]