212300721

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{727}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 312084864

約数和(自身を除く): 99784143

約数列:

[1, 3, 9, 71, 213, 457, 639, 727, 1371, 2181, 4113, 6543, 32447, 51617, 97341, 154851, 292023, 332239, 464553, 996717, 2990151, 23588969, 70766907, 212300721]

約数ペア:

[(1, 212300721), (3, 70766907), (9, 23588969), (71, 2990151), (213, 996717), (457, 464553), (639, 332239), (727, 292023), (1371, 154851), (2181, 97341), (4113, 51617), (6543, 32447)]