6981777

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 11119680

約数和(自身を除く): 4137903

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 647, 981, 1199, 1941, 3597, 5823, 7117, 10791, 21351, 64053, 70523, 211569, 634707, 775753, 2327259, 6981777]

約数ペア:

[(1, 6981777), (3, 2327259), (9, 775753), (11, 634707), (33, 211569), (99, 70523), (109, 64053), (327, 21351), (647, 10791), (981, 7117), (1199, 5823), (1941, 3597)]