12748449

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 7987551

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 359, 399, 623, 1077, 1691, 1869, 2513, 5073, 6821, 7539, 11837, 20463, 31951, 35511, 47747, 95853, 143241, 223657, 607069, 670971, 1821207, 4249483, 12748449]

約数ペア:

[(1, 12748449), (3, 4249483), (7, 1821207), (19, 670971), (21, 607069), (57, 223657), (89, 143241), (133, 95853), (267, 47747), (359, 35511), (399, 31951), (623, 20463), (1077, 11837), (1691, 7539), (1869, 6821), (2513, 5073)]