131215511

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 152715264

約数和(自身を除く): 21499753

約数列:

[1, 7, 103, 127, 721, 889, 1433, 10031, 13081, 91567, 147599, 181991, 1033193, 1273937, 18745073, 131215511]

約数ペア:

[(1, 131215511), (7, 18745073), (103, 1273937), (127, 1033193), (721, 181991), (889, 147599), (1433, 91567), (10031, 13081)]