16986123

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 30990336

約数和(自身を除く): 14004213

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 127, 193, 231, 381, 579, 693, 889, 1143, 1351, 1397, 1737, 2123, 2667, 4053, 4191, 6369, 8001, 9779, 12159, 12573, 14861, 19107, 24511, 29337, 44583, 73533, 88011, 133749, 171577, 220599, 269621, 514731, 808863, 1544193, 1887347, 2426589, 5662041, 16986123]

約数ペア:

[(1, 16986123), (3, 5662041), (7, 2426589), (9, 1887347), (11, 1544193), (21, 808863), (33, 514731), (63, 269621), (77, 220599), (99, 171577), (127, 133749), (193, 88011), (231, 73533), (381, 44583), (579, 29337), (693, 24511), (889, 19107), (1143, 14861), (1351, 12573), (1397, 12159), (1737, 9779), (2123, 8001), (2667, 6369), (4053, 4191)]