18218277

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 35684352

約数和(自身を除く): 17466075

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 127, 161, 189, 207, 231, 253, 297, 381, 483, 567, 621, 693, 759, 889, 891, 1143, 1397, 1449, 1771, 1863, 2079, 2277, 2667, 2921, 3429, 4191, 4347, 5313, 6237, 6831, 8001, 8763, 9779, 10287, 12573, 13041, 15939, 20447, 20493, 24003, 26289, 29337, 32131, 37719, 47817, 61341, 72009, 78867, 88011, 96393, 113157, 143451, 184023, 224917, 236601, 264033, 289179, 552069, 674751, 792099, 867537, 1656207, 2024253, 2602611, 6072759, 18218277]

約数ペア:

[(1, 18218277), (3, 6072759), (7, 2602611), (9, 2024253), (11, 1656207), (21, 867537), (23, 792099), (27, 674751), (33, 552069), (63, 289179), (69, 264033), (77, 236601), (81, 224917), (99, 184023), (127, 143451), (161, 113157), (189, 96393), (207, 88011), (231, 78867), (253, 72009), (297, 61341), (381, 47817), (483, 37719), (567, 32131), (621, 29337), (693, 26289), (759, 24003), (889, 20493), (891, 20447), (1143, 15939), (1397, 13041), (1449, 12573), (1771, 10287), (1863, 9779), (2079, 8763), (2277, 8001), (2667, 6831), (2921, 6237), (3429, 5313), (4191, 4347)]