27851397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 46824960

約数和(自身を除く): 18973563

約数列:

[1, 3, 7, 19, 21, 29, 57, 83, 87, 133, 203, 249, 399, 551, 581, 609, 841, 1577, 1653, 1743, 2407, 2523, 3857, 4731, 5887, 7221, 11039, 11571, 15979, 16849, 17661, 33117, 45733, 47937, 50547, 69803, 111853, 137199, 209409, 320131, 335559, 488621, 960393, 1326257, 1465863, 3978771, 9283799, 27851397]

約数ペア:

[(1, 27851397), (3, 9283799), (7, 3978771), (19, 1465863), (21, 1326257), (29, 960393), (57, 488621), (83, 335559), (87, 320131), (133, 209409), (203, 137199), (249, 111853), (399, 69803), (551, 50547), (581, 47937), (609, 45733), (841, 33117), (1577, 17661), (1653, 16849), (1743, 15979), (2407, 11571), (2523, 11039), (3857, 7221), (4731, 5887)]