260346393

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{86869}}^1$

素因数の和:86918

約数の個数: 20

約数和(自身を含む): 399428260

約数和(自身を除く): 139081867

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 86869, 260607, 781821, 2345463, 3214153, 7036389, 9642459, 28927377, 86782131, 260346393]

約数ペア:

[(1, 260346393), (3, 86782131), (9, 28927377), (27, 9642459), (37, 7036389), (81, 3214153), (111, 2345463), (333, 781821), (999, 260607), (2997, 86869)]