17637993

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{12809}}^1$

素因数の和:12838

約数の個数: 20

約数和(自身を含む): 27900180

約数和(自身を除く): 10262187

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 12809, 38427, 115281, 217753, 345843, 653259, 1037529, 1959777, 5879331, 17637993]

約数ペア:

[(1, 17637993), (3, 5879331), (9, 1959777), (17, 1037529), (27, 653259), (51, 345843), (81, 217753), (153, 115281), (459, 38427), (1377, 12809)]