2152791

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 3237120

約数和(自身を除く): 1084329

約数列:

[1, 3, 9, 27, 71, 213, 639, 1123, 1917, 3369, 10107, 30321, 79733, 239199, 717597, 2152791]

約数ペア:

[(1, 2152791), (3, 717597), (9, 239199), (27, 79733), (71, 30321), (213, 10107), (639, 3369), (1123, 1917)]