2555141517

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{208907}}^1$

素因数の和:209070

約数の個数: 20

約数和(自身を含む): 3842235936

約数和(自身を除く): 1287094419

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 208907, 626721, 1880163, 5640489, 16921467, 31544957, 94634871, 283904613, 851713839, 2555141517]

約数ペア:

[(1, 2555141517), (3, 851713839), (9, 283904613), (27, 94634871), (81, 31544957), (151, 16921467), (453, 5640489), (1359, 1880163), (4077, 626721), (12231, 208907)]