201449997

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 362171392

約数和(自身を除く): 160721395

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 73, 81, 93, 157, 189, 217, 219, 279, 471, 511, 567, 651, 657, 837, 1099, 1413, 1533, 1953, 1971, 2263, 2511, 3297, 4239, 4599, 4867, 5859, 5913, 6789, 9891, 11461, 12717, 13797, 14601, 15841, 17577, 20367, 29673, 34069, 34383, 41391, 43803, 47523, 61101, 80227, 89019, 102207, 103149, 131409, 142569, 183303, 240681, 306621, 309447, 355291, 394227, 427707, 722043, 919863, 928341, 1065873, 1283121, 2166129, 2487037, 2759589, 3197619, 6498387, 7461111, 9592857, 22383333, 28778571, 67149999, 201449997]

約数ペア:

[(1, 201449997), (3, 67149999), (7, 28778571), (9, 22383333), (21, 9592857), (27, 7461111), (31, 6498387), (63, 3197619), (73, 2759589), (81, 2487037), (93, 2166129), (157, 1283121), (189, 1065873), (217, 928341), (219, 919863), (279, 722043), (471, 427707), (511, 394227), (567, 355291), (651, 309447), (657, 306621), (837, 240681), (1099, 183303), (1413, 142569), (1533, 131409), (1953, 103149), (1971, 102207), (2263, 89019), (2511, 80227), (3297, 61101), (4239, 47523), (4599, 43803), (4867, 41391), (5859, 34383), (5913, 34069), (6789, 29673), (9891, 20367), (11461, 17577), (12717, 15841), (13797, 14601)]