28873287

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{20177}}^1$

素因数の和:20239

約数の個数: 16

約数和(自身を含む): 43584480

約数和(自身を除く): 14711193

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 20177, 60531, 181593, 544779, 1069381, 3208143, 9624429, 28873287]

約数ペア:

[(1, 28873287), (3, 9624429), (9, 3208143), (27, 1069381), (53, 544779), (159, 181593), (477, 60531), (1431, 20177)]