28754919

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{1621}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 43690192

約数和(自身を除く): 14935273

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1621, 1971, 4863, 5913, 14589, 17739, 43767, 118333, 131301, 354999, 393903, 1064997, 3194991, 9584973, 28754919]

約数ペア:

[(1, 28754919), (3, 9584973), (9, 3194991), (27, 1064997), (73, 393903), (81, 354999), (219, 131301), (243, 118333), (657, 43767), (1621, 17739), (1971, 14589), (4863, 5913)]