129211767

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{4519}}^1$

素因数の和:4884

約数の個数: 20

約数和(自身を含む): 193609680

約数和(自身を除く): 64397913

約数列:

[1, 3, 9, 27, 81, 353, 1059, 3177, 4519, 9531, 13557, 28593, 40671, 122013, 366039, 1595207, 4785621, 14356863, 43070589, 129211767]

約数ペア:

[(1, 129211767), (3, 43070589), (9, 14356863), (27, 4785621), (81, 1595207), (353, 366039), (1059, 122013), (3177, 40671), (4519, 28593), (9531, 13557)]