28921131

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{7001}}^1$

素因数の和:7033

約数の個数: 24

約数和(自身を含む): 45877104

約数和(自身を除く): 16955973

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 7001, 21003, 63009, 119017, 189027, 357051, 567081, 1071153, 1701243, 3213459, 9640377, 28921131]

約数ペア:

[(1, 28921131), (3, 9640377), (9, 3213459), (17, 1701243), (27, 1071153), (51, 567081), (81, 357051), (153, 189027), (243, 119017), (459, 63009), (1377, 21003), (4131, 7001)]