208021437

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 344001840

約数和(自身を除く): 135980403

約数列:

[1, 3, 9, 13, 29, 37, 39, 87, 111, 117, 261, 333, 377, 481, 1073, 1131, 1443, 1657, 3219, 3393, 4329, 4971, 9657, 13949, 14913, 21541, 41847, 48053, 61309, 64623, 125541, 144159, 183927, 193869, 432477, 551781, 624689, 797017, 1777961, 1874067, 2391051, 5333883, 5622201, 7173153, 16001649, 23113493, 69340479, 208021437]

約数ペア:

[(1, 208021437), (3, 69340479), (9, 23113493), (13, 16001649), (29, 7173153), (37, 5622201), (39, 5333883), (87, 2391051), (111, 1874067), (117, 1777961), (261, 797017), (333, 624689), (377, 551781), (481, 432477), (1073, 193869), (1131, 183927), (1443, 144159), (1657, 125541), (3219, 64623), (3393, 61309), (4329, 48053), (4971, 41847), (9657, 21541), (13949, 14913)]