28751247

素因数分解:

$3^3\times 7^1\times {\mathrm{152123}}^1$

素因数の和:152139

約数の個数: 16

約数和(自身を含む): 48679680

約数和(自身を除く): 19928433

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 152123, 456369, 1064861, 1369107, 3194583, 4107321, 9583749, 28751247]

約数ペア:

[(1, 28751247), (3, 9583749), (7, 4107321), (9, 3194583), (21, 1369107), (27, 1064861), (63, 456369), (189, 152123)]