7720005

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11969}}^1$

素因数の和:12020

約数の個数: 16

約数和(自身を含む): 12640320

約数和(自身を除く): 4920315

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 11969, 35907, 59845, 179535, 514667, 1544001, 2573335, 7720005]

約数ペア:

[(1, 7720005), (3, 2573335), (5, 1544001), (15, 514667), (43, 179535), (129, 59845), (215, 35907), (645, 11969)]