47186781

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21517}}^1$

素因数の和:21580

約数の個数: 16

約数和(自身を含む): 68169024

約数和(自身を除く): 20982243

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 21517, 64551, 365789, 925231, 1097367, 2775693, 15728927, 47186781]

約数ペア:

[(1, 47186781), (3, 15728927), (17, 2775693), (43, 1097367), (51, 925231), (129, 365789), (731, 64551), (2193, 21517)]