2971881

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{2729}}^1$

素因数の和:2757

約数の個数: 18

約数和(自身を含む): 4720170

約数和(自身を除く): 1748289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 2729, 8187, 24561, 30019, 90057, 270171, 330209, 990627, 2971881]

約数ペア:

[(1, 2971881), (3, 990627), (9, 330209), (11, 270171), (33, 90057), (99, 30019), (121, 24561), (363, 8187), (1089, 2729)]