16721829

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2143}}^1$

素因数の和:2186

約数の個数: 24

約数和(自身を含む): 26328320

約数和(自身を除く): 9606491

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2143, 2601, 6429, 7803, 19287, 36431, 57861, 109293, 327879, 619327, 983637, 1857981, 5573943, 16721829]

約数ペア:

[(1, 16721829), (3, 5573943), (9, 1857981), (17, 983637), (27, 619327), (51, 327879), (153, 109293), (289, 57861), (459, 36431), (867, 19287), (2143, 7803), (2601, 6429)]