8708472081

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{557057}}^1$

素因数の和:557262

約数の個数: 20

約数和(自身を含む): 13076379492

約数和(自身を除く): 4367907411

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 5211, 15633, 557057, 1671171, 5013513, 15040539, 45121617, 107512001, 322536003, 967608009, 2902824027, 8708472081]

約数ペア:

[(1, 8708472081), (3, 2902824027), (9, 967608009), (27, 322536003), (81, 107512001), (193, 45121617), (579, 15040539), (1737, 5013513), (5211, 1671171), (15633, 557057)]