90621747

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{21937}}^1$

素因数の和:21969

約数の個数: 24

約数和(自身を含む): 143737776

約数和(自身を除く): 53116029

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 21937, 65811, 197433, 372929, 592299, 1118787, 1776897, 3356361, 5330691, 10069083, 30207249, 90621747]

約数ペア:

[(1, 90621747), (3, 30207249), (9, 10069083), (17, 5330691), (27, 3356361), (51, 1776897), (81, 1118787), (153, 592299), (243, 372929), (459, 197433), (1377, 65811), (4131, 21937)]