212804949

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{15809}}^1$

素因数の和:16460

約数の個数: 16

約数和(自身を含む): 324800640

約数和(自身を除く): 111995691

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 13461, 15809, 47427, 110663, 331989, 10133569, 30400707, 70934983, 212804949]

約数ペア:

[(1, 212804949), (3, 70934983), (7, 30400707), (21, 10133569), (641, 331989), (1923, 110663), (4487, 47427), (13461, 15809)]