81764523

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 120556800

約数和(自身を除く): 38792277

約数列:

[1, 3, 9, 71, 199, 213, 597, 639, 643, 1791, 1929, 5787, 14129, 42387, 45653, 127161, 127957, 136959, 383871, 410877, 1151613, 9084947, 27254841, 81764523]

約数ペア:

[(1, 81764523), (3, 27254841), (9, 9084947), (71, 1151613), (199, 410877), (213, 383871), (597, 136959), (639, 127957), (643, 127161), (1791, 45653), (1929, 42387), (5787, 14129)]