8149815

素因数分解:

$3^4\times 5^1\times {\mathrm{20123}}^1$

素因数の和:20140

約数の個数: 20

約数和(自身を含む): 14610024

約数和(自身を除く): 6460209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20123, 60369, 100615, 181107, 301845, 543321, 905535, 1629963, 2716605, 8149815]

約数ペア:

[(1, 8149815), (3, 2716605), (5, 1629963), (9, 905535), (15, 543321), (27, 301845), (45, 181107), (81, 100615), (135, 60369), (405, 20123)]