25533387

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{28657}}^1$

素因数の和:28680

約数の個数: 20

約数和(自身を含む): 41611416

約数和(自身を除く): 16078029

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 28657, 85971, 257913, 315227, 773739, 945681, 2321217, 2837043, 8511129, 25533387]

約数ペア:

[(1, 25533387), (3, 8511129), (9, 2837043), (11, 2321217), (27, 945681), (33, 773739), (81, 315227), (99, 257913), (297, 85971), (891, 28657)]