40688277

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 66572352

約数和(自身を除く): 25884075

約数列:

[1, 3, 7, 21, 41, 43, 49, 123, 129, 147, 157, 287, 301, 471, 861, 903, 1099, 1763, 2009, 2107, 3297, 5289, 6027, 6321, 6437, 6751, 7693, 12341, 19311, 20253, 23079, 37023, 45059, 47257, 86387, 135177, 141771, 259161, 276791, 315413, 330799, 830373, 946239, 992397, 1937537, 5812611, 13562759, 40688277]

約数ペア:

[(1, 40688277), (3, 13562759), (7, 5812611), (21, 1937537), (41, 992397), (43, 946239), (49, 830373), (123, 330799), (129, 315413), (147, 276791), (157, 259161), (287, 141771), (301, 135177), (471, 86387), (861, 47257), (903, 45059), (1099, 37023), (1763, 23079), (2009, 20253), (2107, 19311), (3297, 12341), (5289, 7693), (6027, 6751), (6321, 6437)]