255529521

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3982

約数の個数: 36

約数和(自身を含む): 409073808

約数和(自身を除く): 153544287

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 387, 507, 559, 1521, 1677, 3907, 5031, 7267, 11721, 21801, 35163, 50791, 65403, 152373, 168001, 457119, 504003, 660283, 1512009, 1980849, 2184013, 5942547, 6552039, 19656117, 28392169, 85176507, 255529521]

約数ペア:

[(1, 255529521), (3, 85176507), (9, 28392169), (13, 19656117), (39, 6552039), (43, 5942547), (117, 2184013), (129, 1980849), (169, 1512009), (387, 660283), (507, 504003), (559, 457119), (1521, 168001), (1677, 152373), (3907, 65403), (5031, 50791), (7267, 35163), (11721, 21801)]