28941381

素因数分解:

$3^4\times 7^1\times {\mathrm{51043}}^1$

素因数の和:51062

約数の個数: 20

約数和(自身を含む): 49410592

約数和(自身を除く): 20469211

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 51043, 153129, 357301, 459387, 1071903, 1378161, 3215709, 4134483, 9647127, 28941381]

約数ペア:

[(1, 28941381), (3, 9647127), (7, 4134483), (9, 3215709), (21, 1378161), (27, 1071903), (63, 459387), (81, 357301), (189, 153129), (567, 51043)]