2640924726321

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7397548253}}^1$

素因数の和:7397548280

約数の個数: 16

約数和(自身を含む): 4260987794304

約数和(自身を除く): 1620063067983

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 7397548253, 22192644759, 51782837771, 125758320301, 155348513313, 377274960903, 880308242107, 2640924726321]

約数ペア:

[(1, 2640924726321), (3, 880308242107), (7, 377274960903), (17, 155348513313), (21, 125758320301), (51, 51782837771), (119, 22192644759), (357, 7397548253)]