31831107

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12527}}^1$

素因数の和:12559

約数の個数: 24

約数和(自身を含む): 53319168

約数和(自身を除く): 21488061

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 12527, 37581, 87689, 137797, 263067, 413391, 964579, 1515767, 2893737, 4547301, 10610369, 31831107]

約数ペア:

[(1, 31831107), (3, 10610369), (7, 4547301), (11, 2893737), (21, 1515767), (33, 964579), (77, 413391), (121, 263067), (231, 137797), (363, 87689), (847, 37581), (2541, 12527)]