71252973

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 121651200

約数和(自身を除く): 50398227

約数列:

[1, 3, 9, 11, 27, 31, 33, 71, 93, 99, 109, 213, 279, 297, 327, 341, 639, 781, 837, 981, 1023, 1199, 1917, 2201, 2343, 2943, 3069, 3379, 3597, 6603, 7029, 7739, 9207, 10137, 10791, 19809, 21087, 23217, 24211, 30411, 32373, 37169, 59427, 69651, 72633, 85129, 91233, 111507, 208953, 217899, 239909, 255387, 334521, 653697, 719727, 766161, 1003563, 2159181, 2298483, 2638999, 6477543, 7916997, 23750991, 71252973]

約数ペア:

[(1, 71252973), (3, 23750991), (9, 7916997), (11, 6477543), (27, 2638999), (31, 2298483), (33, 2159181), (71, 1003563), (93, 766161), (99, 719727), (109, 653697), (213, 334521), (279, 255387), (297, 239909), (327, 217899), (341, 208953), (639, 111507), (781, 91233), (837, 85129), (981, 72633), (1023, 69651), (1199, 59427), (1917, 37169), (2201, 32373), (2343, 30411), (2943, 24211), (3069, 23217), (3379, 21087), (3597, 19809), (6603, 10791), (7029, 10137), (7739, 9207)]