87999939

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{63907}}^1$

素因数の和:63936

約数の個数: 20

約数和(自身を含む): 139191624

約数和(自身を除く): 51191685

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 63907, 191721, 575163, 1086419, 1725489, 3259257, 5176467, 9777771, 29333313, 87999939]

約数ペア:

[(1, 87999939), (3, 29333313), (9, 9777771), (17, 5176467), (27, 3259257), (51, 1725489), (81, 1086419), (153, 575163), (459, 191721), (1377, 63907)]