72003249

素因数分解:

$3^4\times {\mathrm{881}}^1\times {\mathrm{1009}}^1$

素因数の和:1902

約数の個数: 20

約数和(自身を含む): 107789220

約数和(自身を除く): 35785971

約数列:

[1, 3, 9, 27, 81, 881, 1009, 2643, 3027, 7929, 9081, 23787, 27243, 71361, 81729, 888929, 2666787, 8000361, 24001083, 72003249]

約数ペア:

[(1, 72003249), (3, 24001083), (9, 8000361), (27, 2666787), (81, 888929), (881, 81729), (1009, 71361), (2643, 27243), (3027, 23787), (7929, 9081)]