28405815

素因数分解:

$3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5077}}^1$

素因数の和:5458

約数の個数: 16

約数和(自身を含む): 45580128

約数和(自身を除く): 17174313

約数列:

[1, 3, 5, 15, 373, 1119, 1865, 5077, 5595, 15231, 25385, 76155, 1893721, 5681163, 9468605, 28405815]

約数ペア:

[(1, 28405815), (3, 9468605), (5, 5681163), (15, 1893721), (373, 76155), (1119, 25385), (1865, 15231), (5077, 5595)]