16121187

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{6863}}^1$

素因数の和:6904

約数の個数: 20

約数和(自身を含む): 24916320

約数和(自身を除く): 8795133

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 6863, 20589, 61767, 185301, 199027, 555903, 597081, 1791243, 5373729, 16121187]

約数ペア:

[(1, 16121187), (3, 5373729), (9, 1791243), (27, 597081), (29, 555903), (81, 199027), (87, 185301), (261, 61767), (783, 20589), (2349, 6863)]