2788357

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 32

約数和(自身を含む): 3677184

約数和(自身を除く): 888827

約数列:

[1, 11, 13, 17, 31, 37, 143, 187, 221, 341, 403, 407, 481, 527, 629, 1147, 2431, 4433, 5291, 5797, 6851, 6919, 8177, 12617, 14911, 19499, 75361, 89947, 164021, 214489, 253487, 2788357]

約数ペア:

[(1, 2788357), (11, 253487), (13, 214489), (17, 164021), (31, 89947), (37, 75361), (143, 19499), (187, 14911), (221, 12617), (341, 8177), (403, 6919), (407, 6851), (481, 5797), (527, 5291), (629, 4433), (1147, 2431)]