353889

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 20

約数和(自身を含む): 561924

約数和(自身を除く): 208035

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 257, 459, 771, 1377, 2313, 4369, 6939, 13107, 20817, 39321, 117963, 353889]

約数ペア:

[(1, 353889), (3, 117963), (9, 39321), (17, 20817), (27, 13107), (51, 6939), (81, 4369), (153, 2313), (257, 1377), (459, 771)]