12177621

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1170

約数の個数: 20

約数和(自身を含む): 18331500

約数和(自身を除く): 6153879

約数列:

[1, 3, 9, 27, 81, 149, 447, 1009, 1341, 3027, 4023, 9081, 12069, 27243, 81729, 150341, 451023, 1353069, 4059207, 12177621]

約数ペア:

[(1, 12177621), (3, 4059207), (9, 1353069), (27, 451023), (81, 150341), (149, 81729), (447, 27243), (1009, 12069), (1341, 9081), (3027, 4023)]