2809023

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 4424112

約数和(自身を除く): 1615089

約数列:

[1, 3, 7, 21, 49, 97, 147, 197, 291, 591, 679, 1379, 2037, 4137, 4753, 9653, 14259, 19109, 28959, 57327, 133763, 401289, 936341, 2809023]

約数ペア:

[(1, 2809023), (3, 936341), (7, 401289), (21, 133763), (49, 57327), (97, 28959), (147, 19109), (197, 14259), (291, 9653), (591, 4753), (679, 4137), (1379, 2037)]