242513919

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{42169}}^1$

素因数の和:42252

約数の個数: 20

約数和(自身を含む): 367385040

約数和(自身を除く): 124871121

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 42169, 126507, 379521, 1138563, 2993999, 3415689, 8981997, 26945991, 80837973, 242513919]

約数ペア:

[(1, 242513919), (3, 80837973), (9, 26945991), (27, 8981997), (71, 3415689), (81, 2993999), (213, 1138563), (639, 379521), (1917, 126507), (5751, 42169)]