30171447

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{21911}}^1$

素因数の和:21940

約数の個数: 20

約数和(自身を含む): 47724336

約数和(自身を除く): 17552889

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 21911, 65733, 197199, 372487, 591597, 1117461, 1774791, 3352383, 10057149, 30171447]

約数ペア:

[(1, 30171447), (3, 10057149), (9, 3352383), (17, 1774791), (27, 1117461), (51, 591597), (81, 372487), (153, 197199), (459, 65733), (1377, 21911)]