28747143

素因数分解:

$3^5\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 43317456

約数和(自身を除く): 14570313

約数列:

[1, 3, 9, 27, 81, 243, 281, 421, 843, 1263, 2529, 3789, 7587, 11367, 22761, 34101, 68283, 102303, 118301, 354903, 1064709, 3194127, 9582381, 28747143]

約数ペア:

[(1, 28747143), (3, 9582381), (9, 3194127), (27, 1064709), (81, 354903), (243, 118301), (281, 102303), (421, 68283), (843, 34101), (1263, 22761), (2529, 11367), (3789, 7587)]