858390621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{65521}}^1$

素因数の和:65932

約数の個数: 16

約数和(自身を含む): 1251732288

約数和(自身を除く): 393341667

約数列:

[1, 3, 11, 33, 397, 1191, 4367, 13101, 65521, 196563, 720731, 2162193, 26011837, 78035511, 286130207, 858390621]

約数ペア:

[(1, 858390621), (3, 286130207), (11, 78035511), (33, 26011837), (397, 2162193), (1191, 720731), (4367, 196563), (13101, 65521)]