157725491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^3$

素因数の和:399

約数の個数: 16

約数和(自身を含む): 198205440

約数和(自身を除く): 40479949

約数列:

[1, 7, 11, 77, 127, 889, 1397, 9779, 16129, 112903, 177419, 1241933, 2048383, 14338681, 22532213, 157725491]

約数ペア:

[(1, 157725491), (7, 22532213), (11, 14338681), (77, 2048383), (127, 1241933), (889, 177419), (1397, 112903), (9779, 16129)]