8547021

素因数分解:

$3^2\times 7^2\times {\mathrm{19381}}^1$

素因数の和:19401

約数の個数: 18

約数和(自身を含む): 14362062

約数和(自身を除く): 5815041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 19381, 58143, 135667, 174429, 407001, 949669, 1221003, 2849007, 8547021]

約数ペア:

[(1, 8547021), (3, 2849007), (7, 1221003), (9, 949669), (21, 407001), (49, 174429), (63, 135667), (147, 58143), (441, 19381)]