8455887

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 13893120

約数和(自身を除く): 5437233

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 401, 639, 781, 1203, 1917, 2343, 3609, 4411, 7029, 10827, 13233, 21087, 28471, 39699, 85413, 119097, 256239, 313181, 768717, 939543, 2818629, 8455887]

約数ペア:

[(1, 8455887), (3, 2818629), (9, 939543), (11, 768717), (27, 313181), (33, 256239), (71, 119097), (99, 85413), (213, 39699), (297, 28471), (401, 21087), (639, 13233), (781, 10827), (1203, 7029), (1917, 4411), (2343, 3609)]