1280452605

素因数分解:

$3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{42961}}^1$

素因数の和:44956

約数の個数: 16

約数和(自身を含む): 2049802944

約数和(自身を除く): 769350339

約数列:

[1, 3, 5, 15, 1987, 5961, 9935, 29805, 42961, 128883, 214805, 644415, 85363507, 256090521, 426817535, 1280452605]

約数ペア:

[(1, 1280452605), (3, 426817535), (5, 256090521), (15, 85363507), (1987, 644415), (5961, 214805), (9935, 128883), (29805, 42961)]