221617253

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{91163}}^1$

素因数の和:91204

約数の個数: 16

約数和(自身を含む): 275679936

約数和(自身を除く): 54062683

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 91163, 1002793, 1185119, 1549771, 13036309, 17047481, 20147023, 221617253]

約数ペア:

[(1, 221617253), (11, 20147023), (13, 17047481), (17, 13036309), (143, 1549771), (187, 1185119), (221, 1002793), (2431, 91163)]