31305967

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 41061888

約数和(自身を除く): 9755921

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1607, 1771, 2783, 11249, 17677, 19481, 36961, 123739, 194447, 258727, 406571, 1361129, 2845997, 4472281, 31305967]

約数ペア:

[(1, 31305967), (7, 4472281), (11, 2845997), (23, 1361129), (77, 406571), (121, 258727), (161, 194447), (253, 123739), (847, 36961), (1607, 19481), (1771, 17677), (2783, 11249)]