56777889

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{20639}}^1$

素因数の和:20780

約数の個数: 16

約数和(自身を含む): 87183360

約数和(自身を除く): 30405471

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 20639, 61917, 144473, 433419, 2703709, 8111127, 18925963, 56777889]

約数ペア:

[(1, 56777889), (3, 18925963), (7, 8111127), (21, 2703709), (131, 433419), (393, 144473), (917, 61917), (2751, 20639)]