57037981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 80640000

約数和(自身を除く): 23602019

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 2999, 19019, 20993, 32989, 38987, 56981, 230923, 272909, 398867, 428857, 626791, 740753, 3001999, 4387537, 5185271, 8148283, 57037981]

約数ペア:

[(1, 57037981), (7, 8148283), (11, 5185271), (13, 4387537), (19, 3001999), (77, 740753), (91, 626791), (133, 428857), (143, 398867), (209, 272909), (247, 230923), (1001, 56981), (1463, 38987), (1729, 32989), (2717, 20993), (2999, 19019)]