139887

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:180

約数の個数: 20

約数和(自身を含む): 229416

約数和(自身を除く): 89529

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 157, 297, 471, 891, 1413, 1727, 4239, 5181, 12717, 15543, 46629, 139887]

約数ペア:

[(1, 139887), (3, 46629), (9, 15543), (11, 12717), (27, 5181), (33, 4239), (81, 1727), (99, 1413), (157, 891), (297, 471)]