28801521

素因数分解:

$3^3\times 7^1\times {\mathrm{152389}}^1$

素因数の和:152405

約数の個数: 16

約数和(自身を含む): 48764800

約数和(自身を除く): 19963279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 152389, 457167, 1066723, 1371501, 3200169, 4114503, 9600507, 28801521]

約数ペア:

[(1, 28801521), (3, 9600507), (7, 4114503), (9, 3200169), (21, 1371501), (27, 1066723), (63, 457167), (189, 152389)]