27973517

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 7879027

約数列:

[1, 11, 13, 17, 37, 143, 187, 221, 311, 407, 481, 629, 2431, 3421, 4043, 5287, 5291, 6919, 8177, 11507, 44473, 58157, 68731, 89947, 126577, 149591, 195619, 756041, 1645501, 2151809, 2543047, 27973517]

約数ペア:

[(1, 27973517), (11, 2543047), (13, 2151809), (17, 1645501), (37, 756041), (143, 195619), (187, 149591), (221, 126577), (311, 89947), (407, 68731), (481, 58157), (629, 44473), (2431, 11507), (3421, 8177), (4043, 6919), (5287, 5291)]