210654189

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{29221}}^1$

素因数の和:29322

約数の個数: 20

約数和(自身を含む): 318227580

約数和(自身を除く): 107573391

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 29221, 87663, 262989, 788967, 2366901, 2600669, 7802007, 23406021, 70218063, 210654189]

約数ペア:

[(1, 210654189), (3, 70218063), (9, 23406021), (27, 7802007), (81, 2600669), (89, 2366901), (267, 788967), (801, 262989), (2403, 87663), (7209, 29221)]