128585919

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 214433280

約数和(自身を除く): 85847361

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 409, 1227, 1361, 2863, 4083, 4499, 8589, 9527, 13497, 14971, 28581, 31493, 44913, 94479, 104797, 314391, 556649, 1669947, 3896543, 6123139, 11689629, 18369417, 42861973, 128585919]

約数ペア:

[(1, 128585919), (3, 42861973), (7, 18369417), (11, 11689629), (21, 6123139), (33, 3896543), (77, 1669947), (231, 556649), (409, 314391), (1227, 104797), (1361, 94479), (2863, 44913), (4083, 31493), (4499, 28581), (8589, 14971), (9527, 13497)]