72188901

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{2903}}^1$

素因数の和:3222

約数の個数: 20

約数和(自身を含む): 108226272

約数和(自身を除く): 36037371

約数列:

[1, 3, 9, 27, 81, 307, 921, 2763, 2903, 8289, 8709, 24867, 26127, 78381, 235143, 891221, 2673663, 8020989, 24062967, 72188901]

約数ペア:

[(1, 72188901), (3, 24062967), (9, 8020989), (27, 2673663), (81, 891221), (307, 235143), (921, 78381), (2763, 26127), (2903, 24867), (8289, 8709)]