51107721

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{19163}}^1$

素因数の和:19300

約数の個数: 16

約数和(自身を含む): 78495744

約数和(自身を除く): 27388023

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 19163, 57489, 134141, 402423, 2433701, 7301103, 17035907, 51107721]

約数ペア:

[(1, 51107721), (3, 17035907), (7, 7301103), (21, 2433701), (127, 402423), (381, 134141), (889, 57489), (2667, 19163)]