28469847

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71353}}^1$

素因数の和:71382

約数の個数: 16

約数和(自身を含む): 45666560

約数和(自身を除く): 17196713

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71353, 214059, 499471, 1355707, 1498413, 4067121, 9489949, 28469847]

約数ペア:

[(1, 28469847), (3, 9489949), (7, 4067121), (19, 1498413), (21, 1355707), (57, 499471), (133, 214059), (399, 71353)]