28142157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{7559}}^1$

素因数の和:7652

約数の個数: 16

約数和(自身を含む): 40279680

約数和(自身を除く): 12137523

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 7559, 22677, 128503, 385509, 551807, 1655421, 9380719, 28142157]

約数ペア:

[(1, 28142157), (3, 9380719), (17, 1655421), (51, 551807), (73, 385509), (219, 128503), (1241, 22677), (3723, 7559)]