123804009

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 218330112

約数和(自身を除く): 94526103

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 989, 1449, 1987, 2709, 2967, 5961, 6923, 8901, 13909, 17883, 20769, 41727, 45701, 62307, 85441, 125181, 137103, 256323, 319907, 411309, 598087, 768969, 959721, 1794261, 1965143, 2879163, 5382783, 5895429, 13756001, 17686287, 41268003, 123804009]

約数ペア:

[(1, 123804009), (3, 41268003), (7, 17686287), (9, 13756001), (21, 5895429), (23, 5382783), (43, 2879163), (63, 1965143), (69, 1794261), (129, 959721), (161, 768969), (207, 598087), (301, 411309), (387, 319907), (483, 256323), (903, 137103), (989, 125181), (1449, 85441), (1987, 62307), (2709, 45701), (2967, 41727), (5961, 20769), (6923, 17883), (8901, 13909)]