208075959

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28229}}^1$

素因数の和:28261

約数の個数: 40

約数和(自身を含む): 382572960

約数和(自身を除く): 174497001

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 28229, 84687, 197603, 254061, 366977, 592809, 762183, 1100931, 1778427, 2286549, 2568839, 3302793, 5335281, 7706517, 9908379, 16005843, 23119551, 29725137, 69358653, 208075959]

約数ペア:

[(1, 208075959), (3, 69358653), (7, 29725137), (9, 23119551), (13, 16005843), (21, 9908379), (27, 7706517), (39, 5335281), (63, 3302793), (81, 2568839), (91, 2286549), (117, 1778427), (189, 1100931), (273, 762183), (351, 592809), (567, 366977), (819, 254061), (1053, 197603), (2457, 84687), (7371, 28229)]