2564919

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 4462080

約数和(自身を除く): 1897161

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 331, 369, 861, 993, 1107, 2317, 2583, 2979, 6951, 7749, 8937, 13571, 20853, 40713, 62559, 94997, 122139, 284991, 366417, 854973, 2564919]

約数ペア:

[(1, 2564919), (3, 854973), (7, 366417), (9, 284991), (21, 122139), (27, 94997), (41, 62559), (63, 40713), (123, 20853), (189, 13571), (287, 8937), (331, 7749), (369, 6951), (861, 2979), (993, 2583), (1107, 2317)]