220865319

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 338042880

約数和(自身を除く): 117177561

約数列:

[1, 3, 9, 27, 41, 123, 127, 369, 381, 1107, 1143, 1571, 3429, 4713, 5207, 14139, 15621, 42417, 46863, 64411, 140589, 193233, 199517, 579699, 598551, 1739097, 1795653, 5386959, 8180197, 24540591, 73621773, 220865319]

約数ペア:

[(1, 220865319), (3, 73621773), (9, 24540591), (27, 8180197), (41, 5386959), (123, 1795653), (127, 1739097), (369, 598551), (381, 579699), (1107, 199517), (1143, 193233), (1571, 140589), (3429, 64411), (4713, 46863), (5207, 42417), (14139, 15621)]