261013053

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 440985600

約数和(自身を除く): 179972547

約数列:

[1, 3, 7, 17, 21, 43, 49, 51, 119, 129, 147, 301, 343, 347, 357, 731, 833, 903, 1029, 1041, 2107, 2193, 2429, 2499, 5117, 5831, 5899, 6321, 7287, 14749, 14921, 15351, 17003, 17493, 17697, 35819, 41293, 44247, 44763, 51009, 104447, 107457, 119021, 123879, 250733, 253657, 289051, 313341, 357063, 731129, 752199, 760971, 867153, 1775599, 2023357, 2193387, 5117903, 5326797, 6070071, 12429193, 15353709, 37287579, 87004351, 261013053]

約数ペア:

[(1, 261013053), (3, 87004351), (7, 37287579), (17, 15353709), (21, 12429193), (43, 6070071), (49, 5326797), (51, 5117903), (119, 2193387), (129, 2023357), (147, 1775599), (301, 867153), (343, 760971), (347, 752199), (357, 731129), (731, 357063), (833, 313341), (903, 289051), (1029, 253657), (1041, 250733), (2107, 123879), (2193, 119021), (2429, 107457), (2499, 104447), (5117, 51009), (5831, 44763), (5899, 44247), (6321, 41293), (7287, 35819), (14749, 17697), (14921, 17493), (15351, 17003)]