2550009

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4596480

約数和(自身を除く): 2046471

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 83, 133, 147, 209, 231, 249, 399, 539, 581, 627, 913, 931, 1463, 1577, 1617, 1743, 2739, 2793, 4067, 4389, 4731, 6391, 10241, 11039, 12201, 17347, 19173, 30723, 33117, 44737, 52041, 77273, 121429, 134211, 231819, 364287, 850003, 2550009]

約数ペア:

[(1, 2550009), (3, 850003), (7, 364287), (11, 231819), (19, 134211), (21, 121429), (33, 77273), (49, 52041), (57, 44737), (77, 33117), (83, 30723), (133, 19173), (147, 17347), (209, 12201), (231, 11039), (249, 10241), (399, 6391), (539, 4731), (581, 4389), (627, 4067), (913, 2793), (931, 2739), (1463, 1743), (1577, 1617)]