215511381

素因数分解:

$3^3\times {\mathrm{1061}}^1\times {\mathrm{7523}}^1$

素因数の和:8593

約数の個数: 16

約数和(自身を含む): 319619520

約数和(自身を除く): 104108139

約数列:

[1, 3, 9, 27, 1061, 3183, 7523, 9549, 22569, 28647, 67707, 203121, 7981903, 23945709, 71837127, 215511381]

約数ペア:

[(1, 215511381), (3, 71837127), (9, 23945709), (27, 7981903), (1061, 203121), (3183, 67707), (7523, 28647), (9549, 22569)]