2581227

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{2897}}^1$

素因数の和:2920

約数の個数: 20

約数和(自身を含む): 4207896

約数和(自身を除く): 1626669

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 2897, 8691, 26073, 31867, 78219, 95601, 234657, 286803, 860409, 2581227]

約数ペア:

[(1, 2581227), (3, 860409), (9, 286803), (11, 234657), (27, 95601), (33, 78219), (81, 31867), (99, 26073), (297, 8691), (891, 2897)]