808213221

素因数分解:

$3^4\times {\mathrm{2591}}^1\times {\mathrm{3851}}^1$

素因数の和:6454

約数の個数: 20

約数和(自身を含む): 1208110464

約数和(自身を除く): 399897243

約数列:

[1, 3, 9, 27, 81, 2591, 3851, 7773, 11553, 23319, 34659, 69957, 103977, 209871, 311931, 9977941, 29933823, 89801469, 269404407, 808213221]

約数ペア:

[(1, 808213221), (3, 269404407), (9, 89801469), (27, 29933823), (81, 9977941), (2591, 311931), (3851, 209871), (7773, 103977), (11553, 69957), (23319, 34659)]