2788653

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 4412352

約数和(自身を除く): 1623699

約数列:

[1, 3, 7, 21, 37, 97, 111, 259, 291, 679, 777, 1369, 2037, 3589, 4107, 9583, 10767, 25123, 28749, 75369, 132793, 398379, 929551, 2788653]

約数ペア:

[(1, 2788653), (3, 929551), (7, 398379), (21, 132793), (37, 75369), (97, 28749), (111, 25123), (259, 10767), (291, 9583), (679, 4107), (777, 3589), (1369, 2037)]