388234089

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 599639040

約数和(自身を除く): 211404951

約数列:

[1, 3, 9, 23, 69, 103, 131, 139, 207, 309, 393, 417, 927, 1179, 1251, 2369, 3013, 3197, 7107, 9039, 9591, 13493, 14317, 18209, 21321, 27117, 28773, 40479, 42951, 54627, 121437, 128853, 163881, 310339, 329291, 418807, 931017, 987873, 1256421, 1875527, 2793051, 2963619, 3769263, 5626581, 16879743, 43137121, 129411363, 388234089]

約数ペア:

[(1, 388234089), (3, 129411363), (9, 43137121), (23, 16879743), (69, 5626581), (103, 3769263), (131, 2963619), (139, 2793051), (207, 1875527), (309, 1256421), (393, 987873), (417, 931017), (927, 418807), (1179, 329291), (1251, 310339), (2369, 163881), (3013, 128853), (3197, 121437), (7107, 54627), (9039, 42951), (9591, 40479), (13493, 28773), (14317, 27117), (18209, 21321)]