6840045

素因数分解:

$3^4\times 5^1\times {\mathrm{16889}}^1$

素因数の和:16906

約数の個数: 20

約数和(自身を含む): 12262140

約数和(自身を除く): 5422095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 16889, 50667, 84445, 152001, 253335, 456003, 760005, 1368009, 2280015, 6840045]

約数ペア:

[(1, 6840045), (3, 2280015), (5, 1368009), (9, 760005), (15, 456003), (27, 253335), (45, 152001), (81, 84445), (135, 50667), (405, 16889)]