66872709

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{1249}}^1$

素因数の和:1922

約数の個数: 20

約数和(自身を含む): 100127500

約数和(自身を除く): 33254791

約数列:

[1, 3, 9, 27, 81, 661, 1249, 1983, 3747, 5949, 11241, 17847, 33723, 53541, 101169, 825589, 2476767, 7430301, 22290903, 66872709]

約数ペア:

[(1, 66872709), (3, 22290903), (9, 7430301), (27, 2476767), (81, 825589), (661, 101169), (1249, 53541), (1983, 33723), (3747, 17847), (5949, 11241)]