28683459

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4177}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 47796320

約数和(自身を除く): 19112861

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4177, 6867, 12531, 29239, 37593, 87717, 263151, 455293, 1365879, 3187051, 4097637, 9561153, 28683459]

約数ペア:

[(1, 28683459), (3, 9561153), (7, 4097637), (9, 3187051), (21, 1365879), (63, 455293), (109, 263151), (327, 87717), (763, 37593), (981, 29239), (2289, 12531), (4177, 6867)]