28388277

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 14068683

約数列:

[1, 3, 9, 41, 107, 123, 321, 369, 719, 963, 2157, 4387, 6471, 13161, 29479, 39483, 76933, 88437, 230799, 265311, 692397, 3154253, 9462759, 28388277]

約数ペア:

[(1, 28388277), (3, 9462759), (9, 3154253), (41, 692397), (107, 265311), (123, 230799), (321, 88437), (369, 76933), (719, 39483), (963, 29479), (2157, 13161), (4387, 6471)]