177450021

素因数分解:

$3^5\times 7^3\times {\mathrm{2129}}^1$

素因数の和:2165

約数の個数: 48

約数和(自身を含む): 310128000

約数和(自身を除く): 132677979

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 1029, 1323, 1701, 2129, 3087, 3969, 6387, 9261, 11907, 14903, 19161, 27783, 44709, 57483, 83349, 104321, 134127, 172449, 312963, 402381, 517347, 730247, 938889, 1207143, 2190741, 2816667, 3621429, 6572223, 8450001, 19716669, 25350003, 59150007, 177450021]

約数ペア:

[(1, 177450021), (3, 59150007), (7, 25350003), (9, 19716669), (21, 8450001), (27, 6572223), (49, 3621429), (63, 2816667), (81, 2190741), (147, 1207143), (189, 938889), (243, 730247), (343, 517347), (441, 402381), (567, 312963), (1029, 172449), (1323, 134127), (1701, 104321), (2129, 83349), (3087, 57483), (3969, 44709), (6387, 27783), (9261, 19161), (11907, 14903)]