6885405

素因数分解:

$3^6\times 5^1\times {\mathrm{1889}}^1$

素因数の和:1912

約数の個数: 28

約数和(自身を含む): 12394620

約数和(自身を除く): 5509215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1889, 3645, 5667, 9445, 17001, 28335, 51003, 85005, 153009, 255015, 459027, 765045, 1377081, 2295135, 6885405]

約数ペア:

[(1, 6885405), (3, 2295135), (5, 1377081), (9, 765045), (15, 459027), (27, 255015), (45, 153009), (81, 85005), (135, 51003), (243, 28335), (405, 17001), (729, 9445), (1215, 5667), (1889, 3645)]