289121261

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{118931}}^1$

素因数の和:118972

約数の個数: 16

約数和(自身を含む): 359650368

約数和(自身を除く): 70529107

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 118931, 1308241, 1546103, 2021827, 17007133, 22240097, 26283751, 289121261]

約数ペア:

[(1, 289121261), (11, 26283751), (13, 22240097), (17, 17007133), (143, 2021827), (187, 1546103), (221, 1308241), (2431, 118931)]