212868081

素因数分解:

$3^4\times {\mathrm{1019}}^1\times {\mathrm{2579}}^1$

素因数の和:3610

約数の個数: 20

約数和(自身を含む): 318423600

約数和(自身を除く): 105555519

約数列:

[1, 3, 9, 27, 81, 1019, 2579, 3057, 7737, 9171, 23211, 27513, 69633, 82539, 208899, 2628001, 7884003, 23652009, 70956027, 212868081]

約数ペア:

[(1, 212868081), (3, 70956027), (9, 23652009), (27, 7884003), (81, 2628001), (1019, 208899), (2579, 82539), (3057, 69633), (7737, 27513), (9171, 23211)]