19977947

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{4027}}^1$

素因数の和:4090

約数の個数: 12

約数和(自身を含む): 22500408

約数和(自身を除く): 2522461

約数列:

[1, 11, 41, 121, 451, 4027, 4961, 44297, 165107, 487267, 1816177, 19977947]

約数ペア:

[(1, 19977947), (11, 1816177), (41, 487267), (121, 165107), (451, 44297), (4027, 4961)]