12604815

素因数分解:

$3^4\times 5^1\times {\mathrm{31123}}^1$

素因数の和:31140

約数の個数: 20

約数和(自身を含む): 22596024

約数和(自身を除く): 9991209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31123, 93369, 155615, 280107, 466845, 840321, 1400535, 2520963, 4201605, 12604815]

約数ペア:

[(1, 12604815), (3, 4201605), (5, 2520963), (9, 1400535), (15, 840321), (27, 466845), (45, 280107), (81, 155615), (135, 93369), (405, 31123)]