247482879

素因数分解:

$3^1\times 7^2\times {\mathrm{1237}}^1\times {\mathrm{1361}}^1$

素因数の和:2615

約数の個数: 24

約数和(自身を含む): 384443568

約数和(自身を除く): 136960689

約数列:

[1, 3, 7, 21, 49, 147, 1237, 1361, 3711, 4083, 8659, 9527, 25977, 28581, 60613, 66689, 181839, 200067, 1683557, 5050671, 11784899, 35354697, 82494293, 247482879]

約数ペア:

[(1, 247482879), (3, 82494293), (7, 35354697), (21, 11784899), (49, 5050671), (147, 1683557), (1237, 200067), (1361, 181839), (3711, 66689), (4083, 60613), (8659, 28581), (9527, 25977)]