256815513

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{683}}^1\times {\mathrm{1019}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 380933280

約数和(自身を除く): 124117767

約数列:

[1, 3, 9, 41, 123, 369, 683, 1019, 2049, 3057, 6147, 9171, 28003, 41779, 84009, 125337, 252027, 376011, 695977, 2087931, 6263793, 28535057, 85605171, 256815513]

約数ペア:

[(1, 256815513), (3, 85605171), (9, 28535057), (41, 6263793), (123, 2087931), (369, 695977), (683, 376011), (1019, 252027), (2049, 125337), (3057, 84009), (6147, 41779), (9171, 28003)]