66209981

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^2$

素因数の和:452

約数の個数: 12

約数和(自身を含む): 69575616

約数和(自身を除く): 3365635

約数列:

[1, 43, 47, 181, 2021, 7783, 8507, 32761, 365801, 1408723, 1539767, 66209981]

約数ペア:

[(1, 66209981), (43, 1539767), (47, 1408723), (181, 365801), (2021, 32761), (7783, 8507)]