81840159

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{178301}}^1$

素因数の和:178327

約数の個数: 16

約数和(自身を含む): 128377440

約数和(自身を除く): 46537281

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 178301, 534903, 1604709, 3031117, 4814127, 9093351, 27280053, 81840159]

約数ペア:

[(1, 81840159), (3, 27280053), (9, 9093351), (17, 4814127), (27, 3031117), (51, 1604709), (153, 534903), (459, 178301)]