2166993

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 20

約数和(自身を含む): 3345408

約数和(自身を除く): 1178415

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 863, 2511, 2589, 7767, 23301, 26753, 69903, 80259, 240777, 722331, 2166993]

約数ペア:

[(1, 2166993), (3, 722331), (9, 240777), (27, 80259), (31, 69903), (81, 26753), (93, 23301), (279, 7767), (837, 2589), (863, 2511)]