18321471

素因数分解:

$3^5\times 7^1\times {\mathrm{10771}}^1$

素因数の和:10793

約数の個数: 24

約数和(自身を含む): 31368064

約数和(自身を除く): 13046593

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 10771, 32313, 75397, 96939, 226191, 290817, 678573, 872451, 2035719, 2617353, 6107157, 18321471]

約数ペア:

[(1, 18321471), (3, 6107157), (7, 2617353), (9, 2035719), (21, 872451), (27, 678573), (63, 290817), (81, 226191), (189, 96939), (243, 75397), (567, 32313), (1701, 10771)]