216264429

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{2777}}^1$

素因数の和:3309

約数の個数: 24

約数和(自身を含む): 331526520

約数和(自身を除く): 115262091

約数列:

[1, 3, 9, 17, 51, 153, 509, 1527, 2777, 4581, 8331, 8653, 24993, 25959, 47209, 77877, 141627, 424881, 1413493, 4240479, 12721437, 24029381, 72088143, 216264429]

約数ペア:

[(1, 216264429), (3, 72088143), (9, 24029381), (17, 12721437), (51, 4240479), (153, 1413493), (509, 424881), (1527, 141627), (2777, 77877), (4581, 47209), (8331, 25959), (8653, 24993)]