2005641

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{2251}}^1$

素因数の和:2274

約数の個数: 20

約数和(自身を含む): 3269904

約数和(自身を除く): 1264263

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 2251, 6753, 20259, 24761, 60777, 74283, 182331, 222849, 668547, 2005641]

約数ペア:

[(1, 2005641), (3, 668547), (9, 222849), (11, 182331), (27, 74283), (33, 60777), (81, 24761), (99, 20259), (297, 6753), (891, 2251)]