16691913

素因数分解:

$3^6\times 7^1\times {\mathrm{3271}}^1$

素因数の和:3296

約数の個数: 28

約数和(自身を含む): 28610368

約数和(自身を除く): 11918455

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3271, 5103, 9813, 22897, 29439, 68691, 88317, 206073, 264951, 618219, 794853, 1854657, 2384559, 5563971, 16691913]

約数ペア:

[(1, 16691913), (3, 5563971), (7, 2384559), (9, 1854657), (21, 794853), (27, 618219), (63, 264951), (81, 206073), (189, 88317), (243, 68691), (567, 29439), (729, 22897), (1701, 9813), (3271, 5103)]