28403823

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3307}}^1$

素因数の和:3726

約数の個数: 16

約数和(自身を含む): 43400960

約数和(自身を除く): 14997137

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 3307, 8589, 9921, 23149, 69447, 1352563, 4057689, 9467941, 28403823]

約数ペア:

[(1, 28403823), (3, 9467941), (7, 4057689), (21, 1352563), (409, 69447), (1227, 23149), (2863, 9921), (3307, 8589)]