138407927

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{6299}}^1$

素因数の和:6422

約数の個数: 16

約数和(自身を含む): 164102400

約数和(自身を除く): 25694473

約数列:

[1, 7, 43, 73, 301, 511, 3139, 6299, 21973, 44093, 270857, 459827, 1895999, 3218789, 19772561, 138407927]

約数ペア:

[(1, 138407927), (7, 19772561), (43, 3218789), (73, 1895999), (301, 459827), (511, 270857), (3139, 44093), (6299, 21973)]