2169167

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 2949408

約数和(自身を除く): 780241

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 197, 847, 1001, 1379, 1573, 2167, 2561, 11011, 15169, 17927, 23837, 28171, 166859, 197197, 309881, 2169167]

約数ペア:

[(1, 2169167), (7, 309881), (11, 197197), (13, 166859), (77, 28171), (91, 23837), (121, 17927), (143, 15169), (197, 11011), (847, 2561), (1001, 2167), (1379, 1573)]