87087819

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4493}}^1$

素因数の和:4587

約数の個数: 32

約数和(自身を含む): 144958464

約数和(自身を除く): 57870645

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 4493, 6461, 13479, 19383, 31451, 58409, 94353, 175227, 319003, 408863, 957009, 1226589, 2233021, 4147039, 6699063, 12441117, 29029273, 87087819]

約数ペア:

[(1, 87087819), (3, 29029273), (7, 12441117), (13, 6699063), (21, 4147039), (39, 2233021), (71, 1226589), (91, 957009), (213, 408863), (273, 319003), (497, 175227), (923, 94353), (1491, 58409), (2769, 31451), (4493, 19383), (6461, 13479)]