81771547

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{33637}}^1$

素因数の和:33678

約数の個数: 16

約数和(自身を含む): 101721312

約数和(自身を除く): 19949765

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 33637, 370007, 437281, 571829, 4810091, 6290119, 7433777, 81771547]

約数ペア:

[(1, 81771547), (11, 7433777), (13, 6290119), (17, 4810091), (143, 571829), (187, 437281), (221, 370007), (2431, 33637)]