27937749

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 17543211

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 563, 973, 1689, 2363, 2919, 3941, 7089, 9571, 11823, 16541, 28713, 49623, 66997, 78257, 200991, 234771, 547799, 1330369, 1643397, 3991107, 9312583, 27937749]

約数ペア:

[(1, 27937749), (3, 9312583), (7, 3991107), (17, 1643397), (21, 1330369), (51, 547799), (119, 234771), (139, 200991), (357, 78257), (417, 66997), (563, 49623), (973, 28713), (1689, 16541), (2363, 11823), (2919, 9571), (3941, 7089)]