28980903

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11597}}^1$

素因数の和:11631

約数の個数: 24

約数和(自身を含む): 47598192

約数和(自身を除く): 18617289

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11597, 34791, 81179, 197149, 243537, 568253, 591447, 1380043, 1704759, 4140129, 9660301, 28980903]

約数ペア:

[(1, 28980903), (3, 9660301), (7, 4140129), (17, 1704759), (21, 1380043), (49, 591447), (51, 568253), (119, 243537), (147, 197149), (357, 81179), (833, 34791), (2499, 11597)]