31664277

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{907}}^1$

素因数の和:1350

約数の個数: 20

約数和(自身を含む): 47462976

約数和(自身を除く): 15798699

約数列:

[1, 3, 9, 27, 81, 431, 907, 1293, 2721, 3879, 8163, 11637, 24489, 34911, 73467, 390917, 1172751, 3518253, 10554759, 31664277]

約数ペア:

[(1, 31664277), (3, 10554759), (9, 3518253), (27, 1172751), (81, 390917), (431, 73467), (907, 34911), (1293, 24489), (2721, 11637), (3879, 8163)]