201638955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 395394048

約数和(自身を除く): 193755093

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 83, 85, 105, 119, 249, 255, 357, 415, 581, 595, 1245, 1361, 1411, 1743, 1785, 2905, 4083, 4233, 6805, 7055, 8715, 9527, 9877, 20415, 21165, 23137, 28581, 29631, 47635, 49385, 69411, 112963, 115685, 142905, 148155, 161959, 338889, 347055, 485877, 564815, 790741, 809795, 1694445, 1920371, 2372223, 2429385, 3953705, 5761113, 9601855, 11861115, 13442597, 28805565, 40327791, 67212985, 201638955]

約数ペア:

[(1, 201638955), (3, 67212985), (5, 40327791), (7, 28805565), (15, 13442597), (17, 11861115), (21, 9601855), (35, 5761113), (51, 3953705), (83, 2429385), (85, 2372223), (105, 1920371), (119, 1694445), (249, 809795), (255, 790741), (357, 564815), (415, 485877), (581, 347055), (595, 338889), (1245, 161959), (1361, 148155), (1411, 142905), (1743, 115685), (1785, 112963), (2905, 69411), (4083, 49385), (4233, 47635), (6805, 29631), (7055, 28581), (8715, 23137), (9527, 21165), (9877, 20415)]