2690037

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 4674560

約数和(自身を除く): 1984523

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 331, 387, 903, 993, 1161, 2317, 2709, 2979, 6951, 8127, 8937, 14233, 20853, 42699, 62559, 99631, 128097, 298893, 384291, 896679, 2690037]

約数ペア:

[(1, 2690037), (3, 896679), (7, 384291), (9, 298893), (21, 128097), (27, 99631), (43, 62559), (63, 42699), (129, 20853), (189, 14233), (301, 8937), (331, 8127), (387, 6951), (903, 2979), (993, 2709), (1161, 2317)]