31208583

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 23534457

約数列:

[1, 3, 7, 17, 19, 21, 43, 51, 57, 107, 119, 129, 133, 301, 321, 323, 357, 399, 731, 749, 817, 903, 969, 1819, 2033, 2193, 2247, 2261, 2451, 4601, 5117, 5457, 5719, 6099, 6783, 12733, 13803, 13889, 14231, 15351, 17157, 32207, 34561, 38199, 41667, 42693, 78217, 87419, 96621, 97223, 103683, 234651, 241927, 262257, 291669, 547519, 611933, 725781, 1486123, 1642557, 1835799, 4458369, 10402861, 31208583]

約数ペア:

[(1, 31208583), (3, 10402861), (7, 4458369), (17, 1835799), (19, 1642557), (21, 1486123), (43, 725781), (51, 611933), (57, 547519), (107, 291669), (119, 262257), (129, 241927), (133, 234651), (301, 103683), (321, 97223), (323, 96621), (357, 87419), (399, 78217), (731, 42693), (749, 41667), (817, 38199), (903, 34561), (969, 32207), (1819, 17157), (2033, 15351), (2193, 14231), (2247, 13889), (2261, 13803), (2451, 12733), (4601, 6783), (5117, 6099), (5457, 5719)]