280593369

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 497172480

約数和(自身を除く): 216579111

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 83, 93, 189, 217, 249, 279, 577, 581, 651, 747, 837, 1731, 1743, 1953, 2241, 2573, 4039, 5193, 5229, 5859, 7719, 12117, 15579, 15687, 17887, 18011, 23157, 36351, 47891, 53661, 54033, 69471, 109053, 125209, 143673, 160983, 162099, 335237, 375627, 431019, 482949, 486297, 1005711, 1126881, 1293057, 1484621, 3017133, 3380643, 4453863, 9051399, 10392347, 13361589, 31177041, 40084767, 93531123, 280593369]

約数ペア:

[(1, 280593369), (3, 93531123), (7, 40084767), (9, 31177041), (21, 13361589), (27, 10392347), (31, 9051399), (63, 4453863), (83, 3380643), (93, 3017133), (189, 1484621), (217, 1293057), (249, 1126881), (279, 1005711), (577, 486297), (581, 482949), (651, 431019), (747, 375627), (837, 335237), (1731, 162099), (1743, 160983), (1953, 143673), (2241, 125209), (2573, 109053), (4039, 69471), (5193, 54033), (5229, 53661), (5859, 47891), (7719, 36351), (12117, 23157), (15579, 18011), (15687, 17887)]