28496985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172709}}^1$

素因数の和:172728

約数の個数: 16

約数和(自身を含む): 49740480

約数和(自身を除く): 21243495

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 172709, 518127, 863545, 1899799, 2590635, 5699397, 9498995, 28496985]

約数ペア:

[(1, 28496985), (3, 9498995), (5, 5699397), (11, 2590635), (15, 1899799), (33, 863545), (55, 518127), (165, 172709)]