209519979

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{2473}}^1$

素因数の和:3418

約数の個数: 16

約数和(自身を含む): 288804864

約数和(自身を除く): 79284885

約数列:

[1, 3, 31, 93, 911, 2473, 2733, 7419, 28241, 76663, 84723, 229989, 2252903, 6758709, 69839993, 209519979]

約数ペア:

[(1, 209519979), (3, 69839993), (31, 6758709), (93, 2252903), (911, 229989), (2473, 84723), (2733, 76663), (7419, 28241)]