127720439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97571}}^1$

素因数の和:97606

約数の個数: 16

約数和(自身を含む): 168604416

約数和(自身を除く): 40883977

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 97571, 682997, 1073281, 1658707, 7512967, 11610949, 18245777, 127720439]

約数ペア:

[(1, 127720439), (7, 18245777), (11, 11610949), (17, 7512967), (77, 1658707), (119, 1073281), (187, 682997), (1309, 97571)]