2560509

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 4280640

約数和(自身を除く): 1720131

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 419, 679, 873, 1257, 2037, 2933, 3771, 6111, 8799, 26397, 40643, 121929, 284501, 365787, 853503, 2560509]

約数ペア:

[(1, 2560509), (3, 853503), (7, 365787), (9, 284501), (21, 121929), (63, 40643), (97, 26397), (291, 8799), (419, 6111), (679, 3771), (873, 2933), (1257, 2037)]