81823851

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{21493}}^1$

素因数の和:21552

約数の個数: 20

約数和(自身を含む): 124837152

約数和(自身を除く): 43013301

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 21493, 64479, 193437, 580311, 1010171, 1740933, 3030513, 9091539, 27274617, 81823851]

約数ペア:

[(1, 81823851), (3, 27274617), (9, 9091539), (27, 3030513), (47, 1740933), (81, 1010171), (141, 580311), (423, 193437), (1269, 64479), (3807, 21493)]