8439291

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 14085344

約数和(自身を除く): 5646053

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 1381, 2037, 4143, 6111, 9667, 12429, 29001, 87003, 133957, 401871, 937699, 1205613, 2813097, 8439291]

約数ペア:

[(1, 8439291), (3, 2813097), (7, 1205613), (9, 937699), (21, 401871), (63, 133957), (97, 87003), (291, 29001), (679, 12429), (873, 9667), (1381, 6111), (2037, 4143)]