80486217

素因数分解:

$3^5\times 7^1\times {\mathrm{47317}}^1$

素因数の和:47339

約数の個数: 24

約数和(自身を含む): 137790016

約数和(自身を除く): 57303799

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 47317, 141951, 331219, 425853, 993657, 1277559, 2980971, 3832677, 8942913, 11498031, 26828739, 80486217]

約数ペア:

[(1, 80486217), (3, 26828739), (7, 11498031), (9, 8942913), (21, 3832677), (27, 2980971), (63, 1277559), (81, 993657), (189, 425853), (243, 331219), (567, 141951), (1701, 47317)]