28665009

素因数分解:

$3^8\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 45701604

約数和(自身を除く): 17036595

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 257, 459, 729, 771, 1377, 2187, 2313, 4131, 4369, 6561, 6939, 12393, 13107, 20817, 37179, 39321, 62451, 111537, 117963, 187353, 353889, 562059, 1061667, 1686177, 3185001, 9555003, 28665009]

約数ペア:

[(1, 28665009), (3, 9555003), (9, 3185001), (17, 1686177), (27, 1061667), (51, 562059), (81, 353889), (153, 187353), (243, 117963), (257, 111537), (459, 62451), (729, 39321), (771, 37179), (1377, 20817), (2187, 13107), (2313, 12393), (4131, 6939), (4369, 6561)]