2016111321

素因数分解:

$3^2\times 7^2\times {\mathrm{4571681}}^1$

素因数の和:4571701

約数の個数: 18

約数和(自身を含む): 3387616362

約数和(自身を除く): 1371505041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4571681, 13715043, 32001767, 41145129, 96005301, 224012369, 288015903, 672037107, 2016111321]

約数ペア:

[(1, 2016111321), (3, 672037107), (7, 288015903), (9, 224012369), (21, 96005301), (49, 41145129), (63, 32001767), (147, 13715043), (441, 4571681)]