80880039

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{26987}}^1$

素因数の和:27036

約数の個数: 20

約数和(自身を含む): 124090824

約数和(自身を除く): 43210785

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 26987, 80961, 242883, 728649, 998519, 2185947, 2995557, 8986671, 26960013, 80880039]

約数ペア:

[(1, 80880039), (3, 26960013), (9, 8986671), (27, 2995557), (37, 2185947), (81, 998519), (111, 728649), (333, 242883), (999, 80961), (2997, 26987)]