1640109387

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{103171}}^1$

素因数の和:103938

約数の個数: 16

約数和(自身を含む): 2502540032

約数和(自身を除く): 862430645

約数列:

[1, 3, 7, 21, 757, 2271, 5299, 15897, 103171, 309513, 722197, 2166591, 78100447, 234301341, 546703129, 1640109387]

約数ペア:

[(1, 1640109387), (3, 546703129), (7, 234301341), (21, 78100447), (757, 2166591), (2271, 722197), (5299, 309513), (15897, 103171)]