16854561

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 26832960

約数和(自身を除く): 9978399

約数列:

[1, 3, 9, 23, 27, 69, 81, 83, 109, 207, 249, 327, 621, 747, 981, 1863, 1909, 2241, 2507, 2943, 5727, 6723, 7521, 8829, 9047, 17181, 22563, 27141, 51543, 67689, 81423, 154629, 203067, 208081, 244269, 624243, 732807, 1872729, 5618187, 16854561]

約数ペア:

[(1, 16854561), (3, 5618187), (9, 1872729), (23, 732807), (27, 624243), (69, 244269), (81, 208081), (83, 203067), (109, 154629), (207, 81423), (249, 67689), (327, 51543), (621, 27141), (747, 22563), (981, 17181), (1863, 9047), (1909, 8829), (2241, 7521), (2507, 6723), (2943, 5727)]