495280407

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{81689}}^1$

素因数の和:81782

約数の個数: 16

約数和(自身を含む): 690117120

約数和(自身を除く): 194836713

約数列:

[1, 3, 43, 47, 129, 141, 2021, 6063, 81689, 245067, 3512627, 3839383, 10537881, 11518149, 165093469, 495280407]

約数ペア:

[(1, 495280407), (3, 165093469), (43, 11518149), (47, 10537881), (129, 3839383), (141, 3512627), (2021, 245067), (6063, 81689)]