2557107

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 4339296

約数和(自身を除く): 1782189

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1097, 2331, 3291, 7679, 9873, 23037, 40589, 69111, 121767, 284123, 365301, 852369, 2557107]

約数ペア:

[(1, 2557107), (3, 852369), (7, 365301), (9, 284123), (21, 121767), (37, 69111), (63, 40589), (111, 23037), (259, 9873), (333, 7679), (777, 3291), (1097, 2331)]