647161491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{27407}}^1$

素因数の和:27890

約数の個数: 16

約数和(自身を含む): 915646464

約数和(自身を除く): 268484973

約数列:

[1, 3, 17, 51, 463, 1389, 7871, 23613, 27407, 82221, 465919, 1397757, 12689441, 38068323, 215720497, 647161491]

約数ペア:

[(1, 647161491), (3, 215720497), (17, 38068323), (51, 12689441), (463, 1397757), (1389, 465919), (7871, 82221), (23613, 27407)]