398439729

素因数分解:

$3^4\times {\mathrm{29}}^2\times {\mathrm{5849}}^1$

素因数の和:5919

約数の個数: 30

約数和(自身を含む): 616537350

約数和(自身を除く): 218097621

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 841, 2349, 2523, 5849, 7569, 17547, 22707, 52641, 68121, 157923, 169621, 473769, 508863, 1526589, 4579767, 4919009, 13739301, 14757027, 44271081, 132813243, 398439729]

約数ペア:

[(1, 398439729), (3, 132813243), (9, 44271081), (27, 14757027), (29, 13739301), (81, 4919009), (87, 4579767), (261, 1526589), (783, 508863), (841, 473769), (2349, 169621), (2523, 157923), (5849, 68121), (7569, 52641), (17547, 22707)]