9899967

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 17432064

約数和(自身を除く): 7532097

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 2521, 3927, 7563, 17647, 27731, 42857, 52941, 83193, 128571, 194117, 299999, 471427, 582351, 899997, 1414281, 3299989, 9899967]

約数ペア:

[(1, 9899967), (3, 3299989), (7, 1414281), (11, 899997), (17, 582351), (21, 471427), (33, 299999), (51, 194117), (77, 128571), (119, 83193), (187, 52941), (231, 42857), (357, 27731), (561, 17647), (1309, 7563), (2521, 3927)]