28065279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20743}}^1$

素因数の和:20798

約数の個数: 16

約数和(自身を含む): 41819904

約数和(自身を除く): 13754625

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 20743, 62229, 228173, 684519, 850463, 2551389, 9355093, 28065279]

約数ペア:

[(1, 28065279), (3, 9355093), (11, 2551389), (33, 850463), (41, 684519), (123, 228173), (451, 62229), (1353, 20743)]