81586479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{28657}}^1$

素因数の和:28746

約数の個数: 16

約数和(自身を含む): 118758752

約数和(自身を除く): 37172273

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 28657, 85971, 372541, 1117623, 2091961, 6275883, 27195493, 81586479]

約数ペア:

[(1, 81586479), (3, 27195493), (13, 6275883), (39, 2091961), (73, 1117623), (219, 372541), (949, 85971), (2847, 28657)]