4228749

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 7303296

約数和(自身を除く): 3074547

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 223, 301, 387, 441, 669, 903, 1561, 2007, 2107, 2709, 4683, 6321, 9589, 10927, 14049, 18963, 28767, 32781, 67123, 86301, 98343, 201369, 469861, 604107, 1409583, 4228749]

約数ペア:

[(1, 4228749), (3, 1409583), (7, 604107), (9, 469861), (21, 201369), (43, 98343), (49, 86301), (63, 67123), (129, 32781), (147, 28767), (223, 18963), (301, 14049), (387, 10927), (441, 9589), (669, 6321), (903, 4683), (1561, 2709), (2007, 2107)]