51317631

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{17123}}^1$

素因数の和:17172

約数の個数: 20

約数和(自身を含む): 78736152

約数和(自身を除く): 27418521

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 17123, 51369, 154107, 462321, 633551, 1386963, 1900653, 5701959, 17105877, 51317631]

約数ペア:

[(1, 51317631), (3, 17105877), (9, 5701959), (27, 1900653), (37, 1386963), (81, 633551), (111, 462321), (333, 154107), (999, 51369), (2997, 17123)]