256078071

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 386311680

約数和(自身を除く): 130233609

約数列:

[1, 3, 9, 27, 107, 137, 321, 411, 647, 963, 1233, 1941, 2889, 3699, 5823, 14659, 17469, 43977, 69229, 88639, 131931, 207687, 265917, 395793, 623061, 797751, 1869183, 2393253, 9484373, 28453119, 85359357, 256078071]

約数ペア:

[(1, 256078071), (3, 85359357), (9, 28453119), (27, 9484373), (107, 2393253), (137, 1869183), (321, 797751), (411, 623061), (647, 395793), (963, 265917), (1233, 207687), (1941, 131931), (2889, 88639), (3699, 69229), (5823, 43977), (14659, 17469)]