217693521

素因数分解:

$3^3\times {\mathrm{563}}^1\times {\mathrm{14321}}^1$

素因数の和:14893

約数の個数: 16

約数和(自身を含む): 323104320

約数和(自身を除く): 105410799

約数列:

[1, 3, 9, 27, 563, 1689, 5067, 14321, 15201, 42963, 128889, 386667, 8062723, 24188169, 72564507, 217693521]

約数ペア:

[(1, 217693521), (3, 72564507), (9, 24188169), (27, 8062723), (563, 386667), (1689, 128889), (5067, 42963), (14321, 15201)]