16897581

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 25534080

約数和(自身を除く): 8636499

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 929, 2021, 2787, 6063, 8361, 18189, 39947, 43663, 119841, 130989, 359523, 392967, 1877509, 5632527, 16897581]

約数ペア:

[(1, 16897581), (3, 5632527), (9, 1877509), (43, 392967), (47, 359523), (129, 130989), (141, 119841), (387, 43663), (423, 39947), (929, 18189), (2021, 8361), (2787, 6063)]