254289315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3313}}^1$

素因数の和:3388

約数の個数: 64

約数和(自身を含む): 503940096

約数和(自身を除く): 249650781

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 215, 255, 301, 357, 595, 645, 731, 903, 1505, 1785, 2193, 3313, 3655, 4515, 5117, 9939, 10965, 15351, 16565, 23191, 25585, 49695, 56321, 69573, 76755, 115955, 142459, 168963, 281605, 347865, 394247, 427377, 712295, 844815, 997213, 1182741, 1971235, 2136885, 2421803, 2991639, 4986065, 5913705, 7265409, 12109015, 14958195, 16952621, 36327045, 50857863, 84763105, 254289315]

約数ペア:

[(1, 254289315), (3, 84763105), (5, 50857863), (7, 36327045), (15, 16952621), (17, 14958195), (21, 12109015), (35, 7265409), (43, 5913705), (51, 4986065), (85, 2991639), (105, 2421803), (119, 2136885), (129, 1971235), (215, 1182741), (255, 997213), (301, 844815), (357, 712295), (595, 427377), (645, 394247), (731, 347865), (903, 281605), (1505, 168963), (1785, 142459), (2193, 115955), (3313, 76755), (3655, 69573), (4515, 56321), (5117, 49695), (9939, 25585), (10965, 23191), (15351, 16565)]