2091397

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 2639232

約数和(自身を除く): 547835

約数列:

[1, 7, 11, 77, 157, 173, 1099, 1211, 1727, 1903, 12089, 13321, 27161, 190127, 298771, 2091397]

約数ペア:

[(1, 2091397), (7, 298771), (11, 190127), (77, 27161), (157, 13321), (173, 12089), (1099, 1903), (1211, 1727)]