16381287

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7407

約数の個数: 24

約数和(自身を含む): 26826800

約数和(自身を除く): 10445513

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 7369, 22107, 66321, 95797, 140011, 287391, 420033, 862173, 1260099, 1820143, 5460429, 16381287]

約数ペア:

[(1, 16381287), (3, 5460429), (9, 1820143), (13, 1260099), (19, 862173), (39, 420033), (57, 287391), (117, 140011), (171, 95797), (247, 66321), (741, 22107), (2223, 7369)]