8136405

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3847}}^1$

素因数の和:3905

約数の個数: 24

約数和(自身を含む): 14406912

約数和(自身を除く): 6270507

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 3847, 11541, 19235, 34623, 57705, 173115, 180809, 542427, 904045, 1627281, 2712135, 8136405]

約数ペア:

[(1, 8136405), (3, 2712135), (5, 1627281), (9, 904045), (15, 542427), (45, 180809), (47, 173115), (141, 57705), (235, 34623), (423, 19235), (705, 11541), (2115, 3847)]