66400971

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243227}}^1$

素因数の和:243250

約数の個数: 16

約数和(自身を含む): 108966144

約数和(自身を除く): 42565173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 243227, 729681, 1702589, 3161951, 5107767, 9485853, 22133657, 66400971]

約数ペア:

[(1, 66400971), (3, 22133657), (7, 9485853), (13, 5107767), (21, 3161951), (39, 1702589), (91, 729681), (273, 243227)]