28315251

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20592

約数の個数: 20

約数和(自身を含む): 44788392

約数和(自身を除く): 16473141

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20563, 61689, 185067, 349571, 555201, 1048713, 1665603, 3146139, 9438417, 28315251]

約数ペア:

[(1, 28315251), (3, 9438417), (9, 3146139), (17, 1665603), (27, 1048713), (51, 555201), (81, 349571), (153, 185067), (459, 61689), (1377, 20563)]