2971989

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{4651}}^1$

素因数の和:4728

約数の個数: 12

約数和(自身を含む): 4354272

約数和(自身を除く): 1382283

約数列:

[1, 3, 9, 71, 213, 639, 4651, 13953, 41859, 330221, 990663, 2971989]

約数ペア:

[(1, 2971989), (3, 990663), (9, 330221), (71, 41859), (213, 13953), (639, 4651)]