208543107

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1103}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 305233920

約数和(自身を除く): 96690813

約数列:

[1, 3, 19, 31, 57, 93, 107, 321, 589, 1103, 1767, 2033, 3309, 3317, 6099, 9951, 20957, 34193, 62871, 63023, 102579, 118021, 189069, 354063, 649667, 1949001, 2242399, 3658651, 6727197, 10975953, 69514369, 208543107]

約数ペア:

[(1, 208543107), (3, 69514369), (19, 10975953), (31, 6727197), (57, 3658651), (93, 2242399), (107, 1949001), (321, 649667), (589, 354063), (1103, 189069), (1767, 118021), (2033, 102579), (3309, 63023), (3317, 62871), (6099, 34193), (9951, 20957)]