12290303

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:143

約数の個数: 18

約数和(自身を含む): 13947624

約数和(自身を除く): 1657321

約数列:

[1, 17, 23, 43, 289, 391, 731, 989, 1849, 6647, 12427, 16813, 31433, 42527, 285821, 534361, 722959, 12290303]

約数ペア:

[(1, 12290303), (17, 722959), (23, 534361), (43, 285821), (289, 42527), (391, 31433), (731, 16813), (989, 12427), (1849, 6647)]