16689687

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{827}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 26310528

約数和(自身を除く): 9620841

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 827, 961, 2481, 2883, 5789, 6727, 17367, 20181, 25637, 76911, 179459, 538377, 794747, 2384241, 5563229, 16689687]

約数ペア:

[(1, 16689687), (3, 5563229), (7, 2384241), (21, 794747), (31, 538377), (93, 179459), (217, 76911), (651, 25637), (827, 20181), (961, 17367), (2481, 6727), (2883, 5789)]