209464839

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{109267}}^1$

素因数の和:109347

約数の個数: 16

約数和(自身を含む): 314691840

約数和(自身を除く): 105227001

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 109267, 327801, 983403, 2950209, 7757957, 23273871, 69821613, 209464839]

約数ペア:

[(1, 209464839), (3, 69821613), (9, 23273871), (27, 7757957), (71, 2950209), (213, 983403), (639, 327801), (1917, 109267)]