989968287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4285577}}^1$

素因数の和:4285598

約数の個数: 16

約数和(自身を含む): 1645661952

約数和(自身を除く): 655693665

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 4285577, 12856731, 29999039, 47141347, 89997117, 141424041, 329989429, 989968287]

約数ペア:

[(1, 989968287), (3, 329989429), (7, 141424041), (11, 89997117), (21, 47141347), (33, 29999039), (77, 12856731), (231, 4285577)]