8251191

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 12972960

約数和(自身を除く): 4721769

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 647, 981, 1417, 1941, 4251, 5823, 8411, 12753, 25233, 70523, 75699, 211569, 634707, 916799, 2750397, 8251191]

約数ペア:

[(1, 8251191), (3, 2750397), (9, 916799), (13, 634707), (39, 211569), (109, 75699), (117, 70523), (327, 25233), (647, 12753), (981, 8411), (1417, 5823), (1941, 4251)]