12885237

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{587}}^1$

素因数の和:870

約数の個数: 20

約数和(自身を含む): 19352256

約数和(自身を除く): 6467019

約数列:

[1, 3, 9, 27, 81, 271, 587, 813, 1761, 2439, 5283, 7317, 15849, 21951, 47547, 159077, 477231, 1431693, 4295079, 12885237]

約数ペア:

[(1, 12885237), (3, 4295079), (9, 1431693), (27, 477231), (81, 159077), (271, 47547), (587, 21951), (813, 15849), (1761, 7317), (2439, 5283)]