200980521

素因数分解:

$3^4\times 7^1\times {\mathrm{354463}}^1$

素因数の和:354482

約数の個数: 20

約数和(自身を含む): 343121152

約数和(自身を除く): 142140631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 354463, 1063389, 2481241, 3190167, 7443723, 9570501, 22331169, 28711503, 66993507, 200980521]

約数ペア:

[(1, 200980521), (3, 66993507), (7, 28711503), (9, 22331169), (21, 9570501), (27, 7443723), (63, 3190167), (81, 2481241), (189, 1063389), (567, 354463)]