247391811

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{8287}}^1$

素因数の和:8431

約数の個数: 24

約数和(自身を含む): 372363264

約数和(自身を除く): 124971453

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 963, 3317, 8287, 9951, 24861, 29853, 74583, 256897, 770691, 886709, 2312073, 2660127, 7980381, 27487979, 82463937, 247391811]

約数ペア:

[(1, 247391811), (3, 82463937), (9, 27487979), (31, 7980381), (93, 2660127), (107, 2312073), (279, 886709), (321, 770691), (963, 256897), (3317, 74583), (8287, 29853), (9951, 24861)]