221000001

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{104789}}^1$

素因数の和:104848

約数の個数: 16

約数和(自身を含む): 318561600

約数和(自身を除く): 97561599

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 104789, 314367, 1990991, 3877193, 5972973, 11631579, 73666667, 221000001]

約数ペア:

[(1, 221000001), (3, 73666667), (19, 11631579), (37, 5972973), (57, 3877193), (111, 1990991), (703, 314367), (2109, 104789)]