2019528189

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{64499}}^1$

素因数の和:64590

約数の個数: 36

約数和(自身を含む): 3441204000

約数和(自身を除く): 1421675811

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 10437, 31311, 64499, 193497, 451493, 580491, 1354479, 3160451, 4063437, 4579429, 9481353, 13738287, 28444059, 32056003, 41214861, 96168009, 224392021, 288504027, 673176063, 2019528189]

約数ペア:

[(1, 2019528189), (3, 673176063), (7, 288504027), (9, 224392021), (21, 96168009), (49, 41214861), (63, 32056003), (71, 28444059), (147, 13738287), (213, 9481353), (441, 4579429), (497, 4063437), (639, 3160451), (1491, 1354479), (3479, 580491), (4473, 451493), (10437, 193497), (31311, 64499)]