87745563

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 129224160

約数和(自身を除く): 41478597

約数列:

[1, 3, 9, 71, 213, 353, 389, 639, 1059, 1167, 3177, 3501, 25063, 27619, 75189, 82857, 137317, 225567, 248571, 411951, 1235853, 9749507, 29248521, 87745563]

約数ペア:

[(1, 87745563), (3, 29248521), (9, 9749507), (71, 1235853), (213, 411951), (353, 248571), (389, 225567), (639, 137317), (1059, 82857), (1167, 75189), (3177, 27619), (3501, 25063)]