13871295

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1549}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 24180000

約数和(自身を除く): 10308705

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1549, 1791, 2985, 4647, 7745, 8955, 13941, 23235, 69705, 308251, 924753, 1541255, 2774259, 4623765, 13871295]

約数ペア:

[(1, 13871295), (3, 4623765), (5, 2774259), (9, 1541255), (15, 924753), (45, 308251), (199, 69705), (597, 23235), (995, 13941), (1549, 8955), (1791, 7745), (2985, 4647)]