15209509

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5557}}^1$

素因数の和:5604

約数の個数: 16

約数和(自身を含む): 19208448

約数和(自身を除く): 3998939

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 5557, 38899, 94469, 127811, 661283, 894677, 2172787, 15209509]

約数ペア:

[(1, 15209509), (7, 2172787), (17, 894677), (23, 661283), (119, 127811), (161, 94469), (391, 38899), (2737, 5557)]