80241021

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1987}}^1$

素因数の和:2641

約数の個数: 24

約数和(自身を含む): 132734784

約数和(自身を除く): 52493763

約数列:

[1, 3, 7, 9, 21, 63, 641, 1923, 1987, 4487, 5769, 5961, 13461, 13909, 17883, 40383, 41727, 125181, 1273667, 3821001, 8915669, 11463003, 26747007, 80241021]

約数ペア:

[(1, 80241021), (3, 26747007), (7, 11463003), (9, 8915669), (21, 3821001), (63, 1273667), (641, 125181), (1923, 41727), (1987, 40383), (4487, 17883), (5769, 13909), (5961, 13461)]