16605561

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 26085024

約数和(自身を除く): 9479463

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1361, 1743, 4067, 4083, 9527, 12201, 28581, 66689, 112963, 200067, 338889, 790741, 2372223, 5535187, 16605561]

約数ペア:

[(1, 16605561), (3, 5535187), (7, 2372223), (21, 790741), (49, 338889), (83, 200067), (147, 112963), (249, 66689), (581, 28581), (1361, 12201), (1743, 9527), (4067, 4083)]