157720959

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2099}}^1$

素因数の和:2153

約数の個数: 48

約数和(自身を含む): 268128000

約数和(自身を除く): 110407041

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 121, 207, 253, 297, 363, 621, 759, 1089, 2099, 2277, 2783, 3267, 6297, 6831, 8349, 18891, 23089, 25047, 48277, 56673, 69267, 75141, 144831, 207801, 253979, 434493, 531047, 623403, 761937, 1303479, 1593141, 2285811, 4779423, 5841517, 6857433, 14338269, 17524551, 52573653, 157720959]

約数ペア:

[(1, 157720959), (3, 52573653), (9, 17524551), (11, 14338269), (23, 6857433), (27, 5841517), (33, 4779423), (69, 2285811), (99, 1593141), (121, 1303479), (207, 761937), (253, 623403), (297, 531047), (363, 434493), (621, 253979), (759, 207801), (1089, 144831), (2099, 75141), (2277, 69267), (2783, 56673), (3267, 48277), (6297, 25047), (6831, 23089), (8349, 18891)]