12721423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5233}}^1$

素因数の和:5274

約数の個数: 16

約数和(自身を含む): 15827616

約数和(自身を除く): 3106193

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 5233, 57563, 68029, 88961, 748319, 978571, 1156493, 12721423]

約数ペア:

[(1, 12721423), (11, 1156493), (13, 978571), (17, 748319), (143, 88961), (187, 68029), (221, 57563), (2431, 5233)]