20681001

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{2579}}^1$

素因数の和:2608

約数の個数: 28

約数和(自身を含む): 33839280

約数和(自身を除く): 13158279

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2579, 2673, 7737, 8019, 23211, 28369, 69633, 85107, 208899, 255321, 626697, 765963, 1880091, 2297889, 6893667, 20681001]

約数ペア:

[(1, 20681001), (3, 6893667), (9, 2297889), (11, 1880091), (27, 765963), (33, 626697), (81, 255321), (99, 208899), (243, 85107), (297, 69633), (729, 28369), (891, 23211), (2579, 8019), (2673, 7737)]