72107147

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17489}}^1$

素因数の和:17546

約数の個数: 16

約数和(自身を含む): 89548800

約数和(自身を除く): 17441653

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 17489, 122423, 332291, 542159, 2326037, 3795113, 10301021, 72107147]

約数ペア:

[(1, 72107147), (7, 10301021), (19, 3795113), (31, 2326037), (133, 542159), (217, 332291), (589, 122423), (4123, 17489)]