2788209

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{2791}}^1$

素因数の和:2837

約数の個数: 16

約数和(自身を含む): 4243840

約数和(自身を除く): 1455631

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 2791, 8373, 25119, 75357, 103267, 309801, 929403, 2788209]

約数ペア:

[(1, 2788209), (3, 929403), (9, 309801), (27, 103267), (37, 75357), (111, 25119), (333, 8373), (999, 2791)]