28777395

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40819}}^1$

素因数の和:40874

約数の個数: 16

約数和(自身を含む): 47024640

約数和(自身を除く): 18247245

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40819, 122457, 204095, 612285, 1918493, 5755479, 9592465, 28777395]

約数ペア:

[(1, 28777395), (3, 9592465), (5, 5755479), (15, 1918493), (47, 612285), (141, 204095), (235, 122457), (705, 40819)]