22720173

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 35546112

約数和(自身を除く): 12825939

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 1217, 2667, 3651, 6223, 8519, 18669, 25557, 59633, 154559, 178899, 463677, 1081913, 3245739, 7573391, 22720173]

約数ペア:

[(1, 22720173), (3, 7573391), (7, 3245739), (21, 1081913), (49, 463677), (127, 178899), (147, 154559), (381, 59633), (889, 25557), (1217, 18669), (2667, 8519), (3651, 6223)]