17889147

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{28807}}^1$

素因数の和:28839

約数の個数: 16

約数和(自身を含む): 27655680

約数和(自身を除く): 9766533

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 28807, 86421, 259263, 662561, 777789, 1987683, 5963049, 17889147]

約数ペア:

[(1, 17889147), (3, 5963049), (9, 1987683), (23, 777789), (27, 662561), (69, 259263), (207, 86421), (621, 28807)]