27678231

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1217}}^1$

素因数の和:1268

約数の個数: 36

約数和(自身を含む): 48262032

約数和(自身を除く): 20583801

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 1217, 2527, 3249, 3651, 7581, 8519, 10953, 22743, 23123, 25557, 69369, 76671, 161861, 208107, 439337, 485583, 1318011, 1456749, 3075359, 3954033, 9226077, 27678231]

約数ペア:

[(1, 27678231), (3, 9226077), (7, 3954033), (9, 3075359), (19, 1456749), (21, 1318011), (57, 485583), (63, 439337), (133, 208107), (171, 161861), (361, 76671), (399, 69369), (1083, 25557), (1197, 23123), (1217, 22743), (2527, 10953), (3249, 8519), (3651, 7581)]