17227847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 22020768

約数和(自身を除く): 4792921

約数列:

[1, 7, 13, 31, 91, 197, 217, 403, 961, 1379, 2561, 2821, 6107, 6727, 12493, 17927, 42749, 79391, 87451, 189317, 555737, 1325219, 2461121, 17227847]

約数ペア:

[(1, 17227847), (7, 2461121), (13, 1325219), (31, 555737), (91, 189317), (197, 87451), (217, 79391), (403, 42749), (961, 17927), (1379, 12493), (2561, 6727), (2821, 6107)]