11820321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3359}}^1$

素因数の和:3405

約数の個数: 24

約数和(自身を含む): 18869760

約数和(自身を除く): 7049439

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3359, 3519, 10077, 30231, 57103, 77257, 171309, 231771, 513927, 695313, 1313369, 3940107, 11820321]

約数ペア:

[(1, 11820321), (3, 3940107), (9, 1313369), (17, 695313), (23, 513927), (51, 231771), (69, 171309), (153, 77257), (207, 57103), (391, 30231), (1173, 10077), (3359, 3519)]