81858393

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{245821}}^1$

素因数の和:245864

約数の個数: 12

約数和(自身を含む): 121436068

約数和(自身を除く): 39577675

約数列:

[1, 3, 9, 37, 111, 333, 245821, 737463, 2212389, 9095377, 27286131, 81858393]

約数ペア:

[(1, 81858393), (3, 27286131), (9, 9095377), (37, 2212389), (111, 737463), (333, 245821)]