28156311

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{199}}^2$

素因数の和:483

約数の個数: 18

約数和(自身を含む): 41393040

約数和(自身を除く): 13236729

約数列:

[1, 3, 9, 79, 199, 237, 597, 711, 1791, 15721, 39601, 47163, 118803, 141489, 356409, 3128479, 9385437, 28156311]

約数ペア:

[(1, 28156311), (3, 9385437), (9, 3128479), (79, 356409), (199, 141489), (237, 118803), (597, 47163), (711, 39601), (1791, 15721)]