2109721341

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179719}}^1$

素因数の和:179785

約数の個数: 32

約数和(自身を含む): 3542640640

約数和(自身を除く): 1432919299

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 179719, 539157, 1258033, 2336347, 3774099, 7009041, 7727917, 16354429, 23183751, 49063287, 54095419, 100462921, 162286257, 301388763, 703240447, 2109721341]

約数ペア:

[(1, 2109721341), (3, 703240447), (7, 301388763), (13, 162286257), (21, 100462921), (39, 54095419), (43, 49063287), (91, 23183751), (129, 16354429), (273, 7727917), (301, 7009041), (559, 3774099), (903, 2336347), (1677, 1258033), (3913, 539157), (11739, 179719)]