30207249

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{21937}}^1$

素因数の和:21966

約数の個数: 20

約数和(自身を含む): 47780964

約数和(自身を除く): 17573715

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 21937, 65811, 197433, 372929, 592299, 1118787, 1776897, 3356361, 10069083, 30207249]

約数ペア:

[(1, 30207249), (3, 10069083), (9, 3356361), (17, 1776897), (27, 1118787), (51, 592299), (81, 372929), (153, 197433), (459, 65811), (1377, 21937)]