28188477

素因数分解:

$3^2\times {\mathrm{643}}^1\times {\mathrm{4871}}^1$

素因数の和:5520

約数の個数: 12

約数和(自身を含む): 40788384

約数和(自身を除く): 12599907

約数列:

[1, 3, 9, 643, 1929, 4871, 5787, 14613, 43839, 3132053, 9396159, 28188477]

約数ペア:

[(1, 28188477), (3, 9396159), (9, 3132053), (643, 43839), (1929, 14613), (4871, 5787)]