1207521

素因数分解:

$3^3\times 7^1\times {\mathrm{6389}}^1$

素因数の和:6405

約数の個数: 16

約数和(自身を含む): 2044800

約数和(自身を除く): 837279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6389, 19167, 44723, 57501, 134169, 172503, 402507, 1207521]

約数ペア:

[(1, 1207521), (3, 402507), (7, 172503), (9, 134169), (21, 57501), (27, 44723), (63, 19167), (189, 6389)]