2970027

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 20

約数和(自身を含む): 4561216

約数和(自身を除く): 1591189

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 991, 999, 2973, 2997, 8919, 26757, 36667, 80271, 110001, 330003, 990009, 2970027]

約数ペア:

[(1, 2970027), (3, 990009), (9, 330003), (27, 110001), (37, 80271), (81, 36667), (111, 26757), (333, 8919), (991, 2997), (999, 2973)]