66887613

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{63521}}^1$

素因数の和:63546

約数の個数: 20

約数和(自身を含む): 107606268

約数和(自身を除く): 40718655

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 63521, 190563, 571689, 825773, 1715067, 2477319, 5145201, 7431957, 22295871, 66887613]

約数ペア:

[(1, 66887613), (3, 22295871), (9, 7431957), (13, 5145201), (27, 2477319), (39, 1715067), (81, 825773), (117, 571689), (351, 190563), (1053, 63521)]