16289217

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:922

約数の個数: 36

約数和(自身を含む): 28039440

約数和(自身を除く): 11750223

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 859, 903, 2107, 2577, 2709, 6013, 6321, 7731, 18039, 18963, 36937, 42091, 54117, 110811, 126273, 258559, 332433, 378819, 775677, 1809913, 2327031, 5429739, 16289217]

約数ペア:

[(1, 16289217), (3, 5429739), (7, 2327031), (9, 1809913), (21, 775677), (43, 378819), (49, 332433), (63, 258559), (129, 126273), (147, 110811), (301, 54117), (387, 42091), (441, 36937), (859, 18963), (903, 18039), (2107, 7731), (2577, 6321), (2709, 6013)]