85780527

素因数分解:

$3^1\times 7^4\times {\mathrm{11909}}^1$

素因数の和:11940

約数の個数: 20

約数和(自身を含む): 133439640

約数和(自身を除く): 47659113

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 11909, 35727, 83363, 250089, 583541, 1750623, 4084787, 12254361, 28593509, 85780527]

約数ペア:

[(1, 85780527), (3, 28593509), (7, 12254361), (21, 4084787), (49, 1750623), (147, 583541), (343, 250089), (1029, 83363), (2401, 35727), (7203, 11909)]