78839187

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 127475712

約数和(自身を除く): 48636525

約数列:

[1, 3, 7, 21, 41, 49, 103, 123, 127, 147, 287, 309, 381, 721, 861, 889, 2009, 2163, 2667, 4223, 5047, 5207, 6027, 6223, 12669, 13081, 15141, 15621, 18669, 29561, 36449, 39243, 88683, 91567, 109347, 206927, 255143, 274701, 536321, 620781, 640969, 765429, 1608963, 1922907, 3754247, 11262741, 26279729, 78839187]

約数ペア:

[(1, 78839187), (3, 26279729), (7, 11262741), (21, 3754247), (41, 1922907), (49, 1608963), (103, 765429), (123, 640969), (127, 620781), (147, 536321), (287, 274701), (309, 255143), (381, 206927), (721, 109347), (861, 91567), (889, 88683), (2009, 39243), (2163, 36449), (2667, 29561), (4223, 18669), (5047, 15621), (5207, 15141), (6027, 13081), (6223, 12669)]