27882981

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4759}}^1$

素因数の和:4806

約数の個数: 32

約数和(自身を含む): 48742400

約数和(自身を除く): 20859419

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 4759, 5859, 14277, 33313, 42831, 99939, 128493, 147529, 299817, 442587, 899451, 1032703, 1327761, 3098109, 3983283, 9294327, 27882981]

約数ペア:

[(1, 27882981), (3, 9294327), (7, 3983283), (9, 3098109), (21, 1327761), (27, 1032703), (31, 899451), (63, 442587), (93, 299817), (189, 147529), (217, 128493), (279, 99939), (651, 42831), (837, 33313), (1953, 14277), (4759, 5859)]