28640223

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2346

約数の個数: 28

約数和(自身を含む): 45486288

約数和(自身を除く): 16846065

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 2311, 4131, 6933, 12393, 20799, 39287, 62397, 117861, 187191, 353583, 561573, 1060749, 1684719, 3182247, 9546741, 28640223]

約数ペア:

[(1, 28640223), (3, 9546741), (9, 3182247), (17, 1684719), (27, 1060749), (51, 561573), (81, 353583), (153, 187191), (243, 117861), (459, 62397), (729, 39287), (1377, 20799), (2311, 12393), (4131, 6933)]