16686901

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 21488544

約数和(自身を除く): 4801643

約数列:

[1, 7, 11, 49, 77, 83, 373, 539, 581, 913, 2611, 4067, 4103, 6391, 18277, 28721, 30959, 44737, 201047, 216713, 340549, 1516991, 2383843, 16686901]

約数ペア:

[(1, 16686901), (7, 2383843), (11, 1516991), (49, 340549), (77, 216713), (83, 201047), (373, 44737), (539, 30959), (581, 28721), (913, 18277), (2611, 6391), (4067, 4103)]