12740973

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 20839680

約数和(自身を除く): 8098707

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 401, 623, 1203, 1513, 1869, 2807, 4539, 6817, 8421, 10591, 20451, 31773, 35689, 47719, 107067, 143157, 249823, 606713, 749469, 1820139, 4246991, 12740973]

約数ペア:

[(1, 12740973), (3, 4246991), (7, 1820139), (17, 749469), (21, 606713), (51, 249823), (89, 143157), (119, 107067), (267, 47719), (357, 35689), (401, 31773), (623, 20451), (1203, 10591), (1513, 8421), (1869, 6817), (2807, 4539)]