205718493

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{30089}}^1$

素因数の和:30188

約数の個数: 16

約数和(自身を含む): 285975360

約数和(自身を除く): 80256867

約数列:

[1, 3, 43, 53, 129, 159, 2279, 6837, 30089, 90267, 1293827, 1594717, 3881481, 4784151, 68572831, 205718493]

約数ペア:

[(1, 205718493), (3, 68572831), (43, 4784151), (53, 3881481), (129, 1594717), (159, 1293827), (2279, 90267), (6837, 30089)]