27980127

素因数分解:

$3^3\times 7^2\times {\mathrm{21149}}^1$

素因数の和:21172

約数の個数: 24

約数和(自身を含む): 48222000

約数和(自身を除く): 20241873

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21149, 63447, 148043, 190341, 444129, 571023, 1036301, 1332387, 3108903, 3997161, 9326709, 27980127]

約数ペア:

[(1, 27980127), (3, 9326709), (7, 3997161), (9, 3108903), (21, 1332387), (27, 1036301), (49, 571023), (63, 444129), (147, 190341), (189, 148043), (441, 63447), (1323, 21149)]