28990467

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{32537}}^1$

素因数の和:32560

約数の個数: 20

約数和(自身を含む): 47245176

約数和(自身を除く): 18254709

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 32537, 97611, 292833, 357907, 878499, 1073721, 2635497, 3221163, 9663489, 28990467]

約数ペア:

[(1, 28990467), (3, 9663489), (9, 3221163), (11, 2635497), (27, 1073721), (33, 878499), (81, 357907), (99, 292833), (297, 97611), (891, 32537)]