204059079

素因数分解:

$3^2\times 7^2\times {\mathrm{462719}}^1$

素因数の和:462739

約数の個数: 18

約数和(自身を含む): 342875520

約数和(自身を除く): 138816441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 462719, 1388157, 3239033, 4164471, 9717099, 22673231, 29151297, 68019693, 204059079]

約数ペア:

[(1, 204059079), (3, 68019693), (7, 29151297), (9, 22673231), (21, 9717099), (49, 4164471), (63, 3239033), (147, 1388157), (441, 462719)]