9921387

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27791}}^1$

素因数の和:27818

約数の個数: 16

約数和(自身を含む): 16008192

約数和(自身を除く): 6086805

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 27791, 83373, 194537, 472447, 583611, 1417341, 3307129, 9921387]

約数ペア:

[(1, 9921387), (3, 3307129), (7, 1417341), (17, 583611), (21, 472447), (51, 194537), (119, 83373), (357, 27791)]