128575713

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149333}}^1$

素因数の和:149384

約数の個数: 16

約数和(自身を含む): 200704896

約数和(自身を除く): 72129183

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 149333, 447999, 1045331, 3135993, 6122653, 18367959, 42858571, 128575713]

約数ペア:

[(1, 128575713), (3, 42858571), (7, 18367959), (21, 6122653), (41, 3135993), (123, 1045331), (287, 447999), (861, 149333)]