22729815

素因数分解:

$3^4\times 5^1\times {\mathrm{56123}}^1$

素因数の和:56140

約数の個数: 20

約数和(自身を含む): 40746024

約数和(自身を除く): 18016209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 56123, 168369, 280615, 505107, 841845, 1515321, 2525535, 4545963, 7576605, 22729815]

約数ペア:

[(1, 22729815), (3, 7576605), (5, 4545963), (9, 2525535), (15, 1515321), (27, 841845), (45, 505107), (81, 280615), (135, 168369), (405, 56123)]