210920311

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51157}}^1$

素因数の和:51214

約数の個数: 16

約数和(自身を含む): 261928960

約数和(自身を除く): 51008649

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 51157, 358099, 971983, 1585867, 6803881, 11101069, 30131473, 210920311]

約数ペア:

[(1, 210920311), (7, 30131473), (19, 11101069), (31, 6803881), (133, 1585867), (217, 971983), (589, 358099), (4123, 51157)]