189693531

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{72931}}^1$

素因数の和:72971

約数の個数: 18

約数和(自身を含む): 291071612

約数和(自身を除く): 101378081

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 72931, 218793, 656379, 1239827, 3719481, 11158443, 21077059, 63231177, 189693531]

約数ペア:

[(1, 189693531), (3, 63231177), (9, 21077059), (17, 11158443), (51, 3719481), (153, 1239827), (289, 656379), (867, 218793), (2601, 72931)]