80443287

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{6577}}^1$

素因数の和:6740

約数の個数: 20

約数和(自身を含む): 120982576

約数和(自身を除く): 40539289

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 6577, 12231, 19731, 59193, 177579, 532737, 993127, 2979381, 8938143, 26814429, 80443287]

約数ペア:

[(1, 80443287), (3, 26814429), (9, 8938143), (27, 2979381), (81, 993127), (151, 532737), (453, 177579), (1359, 59193), (4077, 19731), (6577, 12231)]