168201981

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{78857}}^1$

素因数の和:78945

約数の個数: 16

約数和(自身を含む): 252345600

約数和(自身を除く): 84143619

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 78857, 236571, 709713, 2129139, 6229703, 18689109, 56067327, 168201981]

約数ペア:

[(1, 168201981), (3, 56067327), (9, 18689109), (27, 6229703), (79, 2129139), (237, 709713), (711, 236571), (2133, 78857)]