31213281

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{7817}}^1$

素因数の和:7853

約数の個数: 16

約数和(自身を含む): 45782208

約数和(自身を除く): 14568927

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 7817, 23451, 85987, 257961, 945857, 2837571, 10404427, 31213281]

約数ペア:

[(1, 31213281), (3, 10404427), (11, 2837571), (33, 945857), (121, 257961), (363, 85987), (1331, 23451), (3993, 7817)]