2148111

素因数分解:

$3^2\times 7^2\times {\mathrm{4871}}^1$

素因数の和:4891

約数の個数: 18

約数和(自身を含む): 3610152

約数和(自身を除く): 1462041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4871, 14613, 34097, 43839, 102291, 238679, 306873, 716037, 2148111]

約数ペア:

[(1, 2148111), (3, 716037), (7, 306873), (9, 238679), (21, 102291), (49, 43839), (63, 34097), (147, 14613), (441, 4871)]