12207321

素因数分解:

$3^3\times 7^2\times {\mathrm{9227}}^1$

素因数の和:9250

約数の個数: 24

約数和(自身を含む): 21039840

約数和(自身を除く): 8832519

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 9227, 27681, 64589, 83043, 193767, 249129, 452123, 581301, 1356369, 1743903, 4069107, 12207321]

約数ペア:

[(1, 12207321), (3, 4069107), (7, 1743903), (9, 1356369), (21, 581301), (27, 452123), (49, 249129), (63, 193767), (147, 83043), (189, 64589), (441, 27681), (1323, 9227)]