159077439

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{26903}}^1$

素因数の和:26988

約数の個数: 20

約数和(自身を含む): 240898416

約数和(自身を除く): 81820977

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 26903, 80709, 242127, 726381, 1963919, 2179143, 5891757, 17675271, 53025813, 159077439]

約数ペア:

[(1, 159077439), (3, 53025813), (9, 17675271), (27, 5891757), (73, 2179143), (81, 1963919), (219, 726381), (657, 242127), (1971, 80709), (5913, 26903)]