2018667

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 3110912

約数和(自身を除く): 1092245

約数列:

[1, 3, 7, 21, 97, 291, 679, 991, 2037, 2973, 6937, 20811, 96127, 288381, 672889, 2018667]

約数ペア:

[(1, 2018667), (3, 672889), (7, 288381), (21, 96127), (97, 20811), (291, 6937), (679, 2973), (991, 2037)]