81781843

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{51991}}^1$

素因数の和:52026

約数の個数: 12

約数和(自身を含む): 96809104

約数和(自身を除く): 15027261

約数列:

[1, 11, 13, 121, 143, 1573, 51991, 571901, 675883, 6290911, 7434713, 81781843]

約数ペア:

[(1, 81781843), (11, 7434713), (13, 6290911), (121, 675883), (143, 571901), (1573, 51991)]