28707927

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2670

約数の個数: 16

約数和(自身を含む): 39564288

約数和(自身を除く): 10856361

約数列:

[1, 3, 53, 71, 159, 213, 2543, 3763, 7629, 11289, 134779, 180553, 404337, 541659, 9569309, 28707927]

約数ペア:

[(1, 28707927), (3, 9569309), (53, 541659), (71, 404337), (159, 180553), (213, 134779), (2543, 11289), (3763, 7629)]