66661119

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2220

約数の個数: 36

約数和(自身を含む): 113639760

約数和(自身を除く): 46978641

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 2129, 3479, 4473, 6387, 10437, 14903, 19161, 31311, 44709, 104321, 134127, 151159, 312963, 453477, 938889, 1058113, 1360431, 3174339, 7406791, 9523017, 22220373, 66661119]

約数ペア:

[(1, 66661119), (3, 22220373), (7, 9523017), (9, 7406791), (21, 3174339), (49, 1360431), (63, 1058113), (71, 938889), (147, 453477), (213, 312963), (441, 151159), (497, 134127), (639, 104321), (1491, 44709), (2129, 31311), (3479, 19161), (4473, 14903), (6387, 10437)]