51306381

素因数分解:

$3^2\times 7^2\times {\mathrm{116341}}^1$

素因数の和:116361

約数の個数: 18

約数和(自身を含む): 86209422

約数和(自身を除く): 34903041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 116341, 349023, 814387, 1047069, 2443161, 5700709, 7329483, 17102127, 51306381]

約数ペア:

[(1, 51306381), (3, 17102127), (7, 7329483), (9, 5700709), (21, 2443161), (49, 1047069), (63, 814387), (147, 349023), (441, 116341)]