28570401

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{9533}}^1$

素因数の和:9582

約数の個数: 20

約数和(自身を含む): 43837332

約数和(自身を除く): 15266931

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 9533, 28599, 85797, 257391, 352721, 772173, 1058163, 3174489, 9523467, 28570401]

約数ペア:

[(1, 28570401), (3, 9523467), (9, 3174489), (27, 1058163), (37, 772173), (81, 352721), (111, 257391), (333, 85797), (999, 28599), (2997, 9533)]