81718227

素因数分解:

$3^5\times {\mathrm{523}}^1\times {\mathrm{643}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 122833984

約数和(自身を除く): 41115757

約数列:

[1, 3, 9, 27, 81, 243, 523, 643, 1569, 1929, 4707, 5787, 14121, 17361, 42363, 52083, 127089, 156249, 336289, 1008867, 3026601, 9079803, 27239409, 81718227]

約数ペア:

[(1, 81718227), (3, 27239409), (9, 9079803), (27, 3026601), (81, 1008867), (243, 336289), (523, 156249), (643, 127089), (1569, 52083), (1929, 42363), (4707, 17361), (5787, 14121)]