64935819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7817}}^1$

素因数の和:7907

約数の個数: 24

約数和(自身を含む): 102447072

約数和(自身を除く): 37511253

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 7817, 8307, 23451, 70353, 101621, 304863, 555007, 914589, 1665021, 4995063, 7215091, 21645273, 64935819]

約数ペア:

[(1, 64935819), (3, 21645273), (9, 7215091), (13, 4995063), (39, 1665021), (71, 914589), (117, 555007), (213, 304863), (639, 101621), (923, 70353), (2769, 23451), (7817, 8307)]