28807905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{274361}}^1$

素因数の和:274376

約数の個数: 16

約数和(自身を含む): 52677504

約数和(自身を除く): 23869599

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 274361, 823083, 1371805, 1920527, 4115415, 5761581, 9602635, 28807905]

約数ペア:

[(1, 28807905), (3, 9602635), (5, 5761581), (7, 4115415), (15, 1920527), (21, 1371805), (35, 823083), (105, 274361)]