16996749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6689}}^1$

素因数の和:6721

約数の個数: 24

約数和(自身を含む): 28472640

約数和(自身を除く): 11475891

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 6689, 20067, 46823, 73579, 140469, 220737, 515053, 809369, 1545159, 2428107, 5665583, 16996749]

約数ペア:

[(1, 16996749), (3, 5665583), (7, 2428107), (11, 1545159), (21, 809369), (33, 515053), (77, 220737), (121, 140469), (231, 73579), (363, 46823), (847, 20067), (2541, 6689)]