15767217

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{5261}}^1$

素因数の和:5310

約数の個数: 20

約数和(自身を含む): 24194676

約数和(自身を除く): 8427459

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 5261, 15783, 47349, 142047, 194657, 426141, 583971, 1751913, 5255739, 15767217]

約数ペア:

[(1, 15767217), (3, 5255739), (9, 1751913), (27, 583971), (37, 426141), (81, 194657), (111, 142047), (333, 47349), (999, 15783), (2997, 5261)]