208048365

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{4493}}^1$

素因数の和:4528

約数の個数: 64

約数和(自身を含む): 431424000

約数和(自身を除く): 223375635

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 441, 735, 945, 1029, 1323, 1715, 2205, 3087, 4493, 5145, 6615, 9261, 13479, 15435, 22465, 31451, 40437, 46305, 67395, 94353, 121311, 157255, 202185, 220157, 283059, 471765, 606555, 660471, 849177, 1100785, 1415295, 1541099, 1981413, 3302355, 4245885, 4623297, 5944239, 7705495, 9907065, 13869891, 23116485, 29721195, 41609673, 69349455, 208048365]

約数ペア:

[(1, 208048365), (3, 69349455), (5, 41609673), (7, 29721195), (9, 23116485), (15, 13869891), (21, 9907065), (27, 7705495), (35, 5944239), (45, 4623297), (49, 4245885), (63, 3302355), (105, 1981413), (135, 1541099), (147, 1415295), (189, 1100785), (245, 849177), (315, 660471), (343, 606555), (441, 471765), (735, 283059), (945, 220157), (1029, 202185), (1323, 157255), (1715, 121311), (2205, 94353), (3087, 67395), (4493, 46305), (5145, 40437), (6615, 31451), (9261, 22465), (13479, 15435)]