61560405

素因数分解:

$3^6\times 5^1\times {\mathrm{16889}}^1$

素因数の和:16912

約数の個数: 28

約数和(自身を含む): 110764620

約数和(自身を除く): 49204215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 16889, 50667, 84445, 152001, 253335, 456003, 760005, 1368009, 2280015, 4104027, 6840045, 12312081, 20520135, 61560405]

約数ペア:

[(1, 61560405), (3, 20520135), (5, 12312081), (9, 6840045), (15, 4104027), (27, 2280015), (45, 1368009), (81, 760005), (135, 456003), (243, 253335), (405, 152001), (729, 84445), (1215, 50667), (3645, 16889)]