2540769

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 4478976

約数和(自身を除く): 1938207

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 647, 1309, 1941, 3927, 4529, 7117, 10999, 13587, 21351, 32997, 49819, 76993, 120989, 149457, 230979, 362967, 846923, 2540769]

約数ペア:

[(1, 2540769), (3, 846923), (7, 362967), (11, 230979), (17, 149457), (21, 120989), (33, 76993), (51, 49819), (77, 32997), (119, 21351), (187, 13587), (231, 10999), (357, 7117), (561, 4529), (647, 3927), (1309, 1941)]