81325671

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2129}}^1$

素因数の和:2263

約数の個数: 32

約数和(自身を含む): 132503040

約数和(自身を除く): 51177369

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2129, 2247, 5457, 6387, 12733, 14903, 36193, 38199, 44709, 108579, 227803, 253351, 683409, 760053, 1594621, 3872651, 4783863, 11617953, 27108557, 81325671]

約数ペア:

[(1, 81325671), (3, 27108557), (7, 11617953), (17, 4783863), (21, 3872651), (51, 1594621), (107, 760053), (119, 683409), (321, 253351), (357, 227803), (749, 108579), (1819, 44709), (2129, 38199), (2247, 36193), (5457, 14903), (6387, 12733)]