12727645

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21391}}^1$

素因数の和:21420

約数の個数: 16

約数和(自身を含む): 18482688

約数和(自身を除く): 5755043

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 21391, 106955, 149737, 363647, 748685, 1818235, 2545529, 12727645]

約数ペア:

[(1, 12727645), (5, 2545529), (7, 1818235), (17, 748685), (35, 363647), (85, 149737), (119, 106955), (595, 21391)]