518193

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 832832

約数和(自身を除く): 314639

約数列:

[1, 3, 9, 13, 39, 43, 103, 117, 129, 309, 387, 559, 927, 1339, 1677, 4017, 4429, 5031, 12051, 13287, 39861, 57577, 172731, 518193]

約数ペア:

[(1, 518193), (3, 172731), (9, 57577), (13, 39861), (39, 13287), (43, 12051), (103, 5031), (117, 4429), (129, 4017), (309, 1677), (387, 1339), (559, 927)]