81505231

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 89856000

約数和(自身を除く): 8350769

約数列:

[1, 19, 31, 71, 589, 1349, 1949, 2201, 37031, 41819, 60419, 138379, 1147961, 2629201, 4289749, 81505231]

約数ペア:

[(1, 81505231), (19, 4289749), (31, 2629201), (71, 1147961), (589, 138379), (1349, 60419), (1949, 41819), (2201, 37031)]