20100987

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43793}}^1$

素因数の和:43819

約数の個数: 16

約数和(自身を含む): 31531680

約数和(自身を除く): 11430693

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43793, 131379, 394137, 744481, 1182411, 2233443, 6700329, 20100987]

約数ペア:

[(1, 20100987), (3, 6700329), (9, 2233443), (17, 1182411), (27, 744481), (51, 394137), (153, 131379), (459, 43793)]