71903321

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3803}}^1$

素因数の和:3920

約数の個数: 16

約数和(自身を含む): 85574784

約数和(自身を除く): 13671463

約数列:

[1, 7, 37, 73, 259, 511, 2701, 3803, 18907, 26621, 140711, 277619, 984977, 1943333, 10271903, 71903321]

約数ペア:

[(1, 71903321), (7, 10271903), (37, 1943333), (73, 984977), (259, 277619), (511, 140711), (2701, 26621), (3803, 18907)]