28226865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81817}}^1$

素因数の和:81848

約数の個数: 16

約数和(自身を含む): 47127168

約数和(自身を除く): 18900303

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81817, 245451, 409085, 1227255, 1881791, 5645373, 9408955, 28226865]

約数ペア:

[(1, 28226865), (3, 9408955), (5, 5645373), (15, 1881791), (23, 1227255), (69, 409085), (115, 245451), (345, 81817)]