42689781

素因数分解:

$3^3\times {\mathrm{1009}}^1\times {\mathrm{1567}}^1$

素因数の和:2585

約数の個数: 16

約数和(自身を含む): 63347200

約数和(自身を除く): 20657419

約数列:

[1, 3, 9, 27, 1009, 1567, 3027, 4701, 9081, 14103, 27243, 42309, 1581103, 4743309, 14229927, 42689781]

約数ペア:

[(1, 42689781), (3, 14229927), (9, 4743309), (27, 1581103), (1009, 42309), (1567, 27243), (3027, 14103), (4701, 9081)]