28511967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 43186176

約数和(自身を除く): 14674209

約数列:

[1, 3, 11, 33, 43, 71, 129, 213, 283, 473, 781, 849, 1419, 2343, 3053, 3113, 9159, 9339, 12169, 20093, 33583, 36507, 60279, 100749, 133859, 221023, 401577, 663069, 863999, 2591997, 9503989, 28511967]

約数ペア:

[(1, 28511967), (3, 9503989), (11, 2591997), (33, 863999), (43, 663069), (71, 401577), (129, 221023), (213, 133859), (283, 100749), (473, 60279), (781, 36507), (849, 33583), (1419, 20093), (2343, 12169), (3053, 9339), (3113, 9159)]