28278435

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6709}}^1$

素因数の和:6998

約数の個数: 16

約数和(自身を含む): 45413280

約数和(自身を除く): 17134845

約数列:

[1, 3, 5, 15, 281, 843, 1405, 4215, 6709, 20127, 33545, 100635, 1885229, 5655687, 9426145, 28278435]

約数ペア:

[(1, 28278435), (3, 9426145), (5, 5655687), (15, 1885229), (281, 100635), (843, 33545), (1405, 20127), (4215, 6709)]