291259389939

素因数分解:

$3^1\times 7^1\times {\mathrm{213203}}^1\times {\mathrm{65053}}^1$

素因数の和:278266

約数の個数: 16

約数和(自身を含む): 443832736512

約数和(自身を除く): 152573346573

約数列:

[1, 3, 7, 21, 65053, 195159, 213203, 455371, 639609, 1366113, 1492421, 4477263, 13869494759, 41608484277, 97086463313, 291259389939]

約数ペア:

[(1, 291259389939), (3, 97086463313), (7, 41608484277), (21, 13869494759), (65053, 4477263), (195159, 1492421), (213203, 1366113), (455371, 639609)]