81328239

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{28151}}^1$

素因数の和:28267

約数の個数: 16

約数和(自身を含む): 121616640

約数和(自身を除く): 40288401

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 28151, 84453, 253359, 760077, 3012157, 9036471, 27109413, 81328239]

約数ペア:

[(1, 81328239), (3, 27109413), (9, 9036471), (27, 3012157), (107, 760077), (321, 253359), (963, 84453), (2889, 28151)]