211945761

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{49999}}^1$

素因数の和:50165

約数の個数: 16

約数和(自身を含む): 316000000

約数和(自身を除く): 104054239

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 49999, 149997, 449991, 1349973, 7849843, 23549529, 70648587, 211945761]

約数ペア:

[(1, 211945761), (3, 70648587), (9, 23549529), (27, 7849843), (157, 1349973), (471, 449991), (1413, 149997), (4239, 49999)]