28316859

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6997}}^1$

素因数の和:7090

約数の個数: 16

約数和(自身を含む): 40308480

約数和(自身を除く): 11991621

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 6997, 20991, 132943, 398829, 496787, 1490361, 9438953, 28316859]

約数ペア:

[(1, 28316859), (3, 9438953), (19, 1490361), (57, 496787), (71, 398829), (213, 132943), (1349, 20991), (4047, 6997)]