71580681

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4999}}^1$

素因数の和:5085

約数の個数: 24

約数和(自身を含む): 108680000

約数和(自身を除く): 37099319

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1591, 4773, 4999, 14319, 14997, 44991, 184963, 214957, 554889, 644871, 1664667, 1934613, 7953409, 23860227, 71580681]

約数ペア:

[(1, 71580681), (3, 23860227), (9, 7953409), (37, 1934613), (43, 1664667), (111, 644871), (129, 554889), (333, 214957), (387, 184963), (1591, 44991), (4773, 14997), (4999, 14319)]