28428489

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{1249}}^1$

素因数の和:1542

約数の個数: 20

約数和(自身を含む): 42652500

約数和(自身を除く): 14224011

約数列:

[1, 3, 9, 27, 81, 281, 843, 1249, 2529, 3747, 7587, 11241, 22761, 33723, 101169, 350969, 1052907, 3158721, 9476163, 28428489]

約数ペア:

[(1, 28428489), (3, 9476163), (9, 3158721), (27, 1052907), (81, 350969), (281, 101169), (843, 33723), (1249, 22761), (2529, 11241), (3747, 7587)]