28384503

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15187}}^1$

素因数の和:15286

約数の個数: 16

約数和(自身を含む): 43741440

約数和(自身を除く): 15356937

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 15187, 45561, 106309, 318927, 1351643, 4054929, 9461501, 28384503]

約数ペア:

[(1, 28384503), (3, 9461501), (7, 4054929), (21, 1351643), (89, 318927), (267, 106309), (623, 45561), (1869, 15187)]