199726317

素因数分解:

$3^6\times 7^1\times {\mathrm{39139}}^1$

素因数の和:39164

約数の個数: 28

約数和(自身を含む): 342240160

約数和(自身を除く): 142513843

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 39139, 117417, 273973, 352251, 821919, 1056753, 2465757, 3170259, 7397271, 9510777, 22191813, 28532331, 66575439, 199726317]

約数ペア:

[(1, 199726317), (3, 66575439), (7, 28532331), (9, 22191813), (21, 9510777), (27, 7397271), (63, 3170259), (81, 2465757), (189, 1056753), (243, 821919), (567, 352251), (729, 273973), (1701, 117417), (5103, 39139)]