165055887

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{47389}}^1$

素因数の和:47444

約数の個数: 20

約数和(自身を含む): 252304360

約数和(自身を除く): 87248473

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 47389, 142167, 426501, 1279503, 2037727, 3838509, 6113181, 18339543, 55018629, 165055887]

約数ペア:

[(1, 165055887), (3, 55018629), (9, 18339543), (27, 6113181), (43, 3838509), (81, 2037727), (129, 1279503), (387, 426501), (1161, 142167), (3483, 47389)]