9801405

素因数分解:

$3^6\times 5^1\times {\mathrm{2689}}^1$

素因数の和:2712

約数の個数: 28

約数和(自身を含む): 17641020

約数和(自身を除く): 7839615

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2689, 3645, 8067, 13445, 24201, 40335, 72603, 121005, 217809, 363015, 653427, 1089045, 1960281, 3267135, 9801405]

約数ペア:

[(1, 9801405), (3, 3267135), (5, 1960281), (9, 1089045), (15, 653427), (27, 363015), (45, 217809), (81, 121005), (135, 72603), (243, 40335), (405, 24201), (729, 13445), (1215, 8067), (2689, 3645)]