87581691

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 128960000

約数和(自身を除く): 41378309

約数列:

[1, 3, 9, 79, 199, 237, 597, 619, 711, 1791, 1857, 5571, 15721, 47163, 48901, 123181, 141489, 146703, 369543, 440109, 1108629, 9731299, 29193897, 87581691]

約数ペア:

[(1, 87581691), (3, 29193897), (9, 9731299), (79, 1108629), (199, 440109), (237, 369543), (597, 146703), (619, 141489), (711, 123181), (1791, 48901), (1857, 47163), (5571, 15721)]