27998973

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{28027}}^1$

素因数の和:28073

約数の個数: 16

約数和(自身を含む): 42602560

約数和(自身を除く): 14603587

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 28027, 84081, 252243, 756729, 1036999, 3110997, 9332991, 27998973]

約数ペア:

[(1, 27998973), (3, 9332991), (9, 3110997), (27, 1036999), (37, 756729), (111, 252243), (333, 84081), (999, 28027)]