289873563

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{15527}}^1$

素因数の和:15671

約数の個数: 24

約数和(自身を含む): 453169152

約数和(自身を除く): 163295589

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 2667, 6223, 15527, 18669, 46581, 108689, 326067, 760823, 1971929, 2282469, 5915787, 13803503, 41410509, 96624521, 289873563]

約数ペア:

[(1, 289873563), (3, 96624521), (7, 41410509), (21, 13803503), (49, 5915787), (127, 2282469), (147, 1971929), (381, 760823), (889, 326067), (2667, 108689), (6223, 46581), (15527, 18669)]