28052847

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2557}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 43097184

約数和(自身を除く): 15044337

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 2557, 3657, 7671, 10971, 23013, 58811, 135521, 176433, 406563, 529299, 1219689, 3116983, 9350949, 28052847]

約数ペア:

[(1, 28052847), (3, 9350949), (9, 3116983), (23, 1219689), (53, 529299), (69, 406563), (159, 176433), (207, 135521), (477, 58811), (1219, 23013), (2557, 10971), (3657, 7671)]