15663564

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{20719}}^1$

素因数の和:20739

約数の個数: 48

約数和(自身を含む): 46412800

約数和(自身を除く): 30749236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 20719, 41438, 62157, 82876, 124314, 145033, 186471, 248628, 290066, 372942, 435099, 559413, 580132, 745884, 870198, 1118826, 1305297, 1740396, 2237652, 2610594, 3915891, 5221188, 7831782, 15663564]

約数ペア:

[(1, 15663564), (2, 7831782), (3, 5221188), (4, 3915891), (6, 2610594), (7, 2237652), (9, 1740396), (12, 1305297), (14, 1118826), (18, 870198), (21, 745884), (27, 580132), (28, 559413), (36, 435099), (42, 372942), (54, 290066), (63, 248628), (84, 186471), (108, 145033), (126, 124314), (189, 82876), (252, 62157), (378, 41438), (756, 20719)]