26981721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{76871}}^1$

素因数の和:76893

約数の個数: 16

約数和(自身を含む): 43048320

約数和(自身を除く): 16066599

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 76871, 230613, 691839, 999323, 2075517, 2997969, 8993907, 26981721]

約数ペア:

[(1, 26981721), (3, 8993907), (9, 2997969), (13, 2075517), (27, 999323), (39, 691839), (117, 230613), (351, 76871)]