28439973

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44507}}^1$

素因数の和:44584

約数の個数: 12

約数和(自身を含む): 41659488

約数和(自身を除く): 13219515

約数列:

[1, 3, 9, 71, 213, 639, 44507, 133521, 400563, 3159997, 9479991, 28439973]

約数ペア:

[(1, 28439973), (3, 9479991), (9, 3159997), (71, 400563), (213, 133521), (639, 44507)]