208712730849

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2801}}^1\times {\mathrm{9829}}^1$

素因数の和:12678

約数の個数: 48

約数和(自身を含む): 335812302720

約数和(自身を除く): 127099571871

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2801, 7581, 8403, 9829, 19607, 29487, 53219, 58821, 68803, 159657, 186751, 206409, 372533, 560253, 1011161, 1117599, 1307257, 3033483, 3548269, 3921771, 7078127, 10644807, 21234381, 24837883, 27531029, 74513649, 82593087, 192717203, 523089551, 578151609, 1569268653, 3661626857, 9938701469, 10984880571, 29816104407, 69570910283, 208712730849]

約数ペア:

[(1, 208712730849), (3, 69570910283), (7, 29816104407), (19, 10984880571), (21, 9938701469), (57, 3661626857), (133, 1569268653), (361, 578151609), (399, 523089551), (1083, 192717203), (2527, 82593087), (2801, 74513649), (7581, 27531029), (8403, 24837883), (9829, 21234381), (19607, 10644807), (29487, 7078127), (53219, 3921771), (58821, 3548269), (68803, 3033483), (159657, 1307257), (186751, 1117599), (206409, 1011161), (372533, 560253)]