80951157

素因数分解:

$3^4\times 7^1\times {\mathrm{142771}}^1$

素因数の和:142790

約数の個数: 20

約数和(自身を含む): 138203296

約数和(自身を除く): 57252139

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 142771, 428313, 999397, 1284939, 2998191, 3854817, 8994573, 11564451, 26983719, 80951157]

約数ペア:

[(1, 80951157), (3, 26983719), (7, 11564451), (9, 8994573), (21, 3854817), (27, 2998191), (63, 1284939), (81, 999397), (189, 428313), (567, 142771)]