168885999

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{39841}}^1$

素因数の和:40007

約数の個数: 16

約数和(自身を含む): 251801440

約数和(自身を除く): 82915441

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 39841, 119523, 358569, 1075707, 6255037, 18765111, 56295333, 168885999]

約数ペア:

[(1, 168885999), (3, 56295333), (9, 18765111), (27, 6255037), (157, 1075707), (471, 358569), (1413, 119523), (4239, 39841)]