18225567

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1244

約数の個数: 20

約数和(自身を含む): 27375040

約数和(自身を除く): 9149473

約数列:

[1, 3, 9, 27, 81, 223, 669, 1009, 2007, 3027, 6021, 9081, 18063, 27243, 81729, 225007, 675021, 2025063, 6075189, 18225567]

約数ペア:

[(1, 18225567), (3, 6075189), (9, 2025063), (27, 675021), (81, 225007), (223, 81729), (669, 27243), (1009, 18063), (2007, 9081), (3027, 6021)]