2649507

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 4096512

約数和(自身を除く): 1447005

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1777, 5331, 12439, 37317, 126167, 378501, 883169, 2649507]

約数ペア:

[(1, 2649507), (3, 883169), (7, 378501), (21, 126167), (71, 37317), (213, 12439), (497, 5331), (1491, 1777)]