2821273

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 3651648

約数和(自身を除く): 830375

約数列:

[1, 7, 13, 43, 49, 91, 103, 301, 559, 637, 721, 1339, 2107, 3913, 4429, 5047, 9373, 27391, 31003, 57577, 65611, 217021, 403039, 2821273]

約数ペア:

[(1, 2821273), (7, 403039), (13, 217021), (43, 65611), (49, 57577), (91, 31003), (103, 27391), (301, 9373), (559, 5047), (637, 4429), (721, 3913), (1339, 2107)]