71719851

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179749}}^1$

素因数の和:179778

約数の個数: 16

約数和(自身を含む): 115040000

約数和(自身を除く): 43320149

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 179749, 539247, 1258243, 3415231, 3774729, 10245693, 23906617, 71719851]

約数ペア:

[(1, 71719851), (3, 23906617), (7, 10245693), (19, 3774729), (21, 3415231), (57, 1258243), (133, 539247), (399, 179749)]