80511921

素因数分解:

$3^3\times 7^1\times {\mathrm{425989}}^1$

素因数の和:426005

約数の個数: 16

約数和(自身を含む): 136316800

約数和(自身を除く): 55804879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 425989, 1277967, 2981923, 3833901, 8945769, 11501703, 26837307, 80511921]

約数ペア:

[(1, 80511921), (3, 26837307), (7, 11501703), (9, 8945769), (21, 3833901), (27, 2981923), (63, 1277967), (189, 425989)]