15531021

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17431}}^1$

素因数の和:17454

約数の個数: 20

約数和(自身を含む): 25311264

約数和(自身を除く): 9780243

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 17431, 52293, 156879, 191741, 470637, 575223, 1411911, 1725669, 5177007, 15531021]

約数ペア:

[(1, 15531021), (3, 5177007), (9, 1725669), (11, 1411911), (27, 575223), (33, 470637), (81, 191741), (99, 156879), (297, 52293), (891, 17431)]