28124445

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21067}}^1$

素因数の和:21164

約数の個数: 16

約数和(自身を含む): 45506880

約数和(自身を除く): 17382435

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21067, 63201, 105335, 316005, 1874963, 5624889, 9374815, 28124445]

約数ペア:

[(1, 28124445), (3, 9374815), (5, 5624889), (15, 1874963), (89, 316005), (267, 105335), (445, 63201), (1335, 21067)]