18406359

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13367}}^1$

素因数の和:13396

約数の個数: 20

約数和(自身を含む): 29115504

約数和(自身を除く): 10709145

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13367, 40101, 120303, 227239, 360909, 681717, 1082727, 2045151, 6135453, 18406359]

約数ペア:

[(1, 18406359), (3, 6135453), (9, 2045151), (17, 1082727), (27, 681717), (51, 360909), (81, 227239), (153, 120303), (459, 40101), (1377, 13367)]