16891983

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{1949}}^1$

素因数の和:2068

約数の個数: 20

約数和(自身を含む): 25482600

約数和(自身を除く): 8590617

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 1949, 2889, 5847, 8667, 17541, 52623, 157869, 208543, 625629, 1876887, 5630661, 16891983]

約数ペア:

[(1, 16891983), (3, 5630661), (9, 1876887), (27, 625629), (81, 208543), (107, 157869), (321, 52623), (963, 17541), (1949, 8667), (2889, 5847)]