28404909

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14281}}^1$

素因数の和:14317

約数の個数: 24

約数和(自身を含む): 46787832

約数和(自身を除く): 18382923

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 14281, 42843, 128529, 185653, 242777, 556959, 728331, 1670877, 2184993, 3156101, 9468303, 28404909]

約数ペア:

[(1, 28404909), (3, 9468303), (9, 3156101), (13, 2184993), (17, 1670877), (39, 728331), (51, 556959), (117, 242777), (153, 185653), (221, 128529), (663, 42843), (1989, 14281)]