54210905

素因数分解:

$5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 75999240

約数和(自身を除く): 21788335

約数列:

[1, 5, 7, 35, 49, 245, 409, 541, 2045, 2705, 2863, 3787, 14315, 18935, 20041, 26509, 100205, 132545, 221269, 1106345, 1548883, 7744415, 10842181, 54210905]

約数ペア:

[(1, 54210905), (5, 10842181), (7, 7744415), (35, 1548883), (49, 1106345), (245, 221269), (409, 132545), (541, 100205), (2045, 26509), (2705, 20041), (2863, 18935), (3787, 14315)]