15281781

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 20921280

約数和(自身を除く): 5639499

約数列:

[1, 3, 61, 113, 183, 339, 739, 2217, 6893, 20679, 45079, 83507, 135237, 250521, 5093927, 15281781]

約数ペア:

[(1, 15281781), (3, 5093927), (61, 250521), (113, 135237), (183, 83507), (339, 45079), (739, 20679), (2217, 6893)]