28703661

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 48153600

約数和(自身を除く): 19449939

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 239, 301, 399, 717, 817, 903, 931, 1673, 2107, 2451, 2793, 4541, 5019, 5719, 6321, 10277, 11711, 13623, 17157, 30831, 31787, 35133, 40033, 71939, 95361, 120099, 195263, 215817, 222509, 503573, 585789, 667527, 1366841, 1510719, 4100523, 9567887, 28703661]

約数ペア:

[(1, 28703661), (3, 9567887), (7, 4100523), (19, 1510719), (21, 1366841), (43, 667527), (49, 585789), (57, 503573), (129, 222509), (133, 215817), (147, 195263), (239, 120099), (301, 95361), (399, 71939), (717, 40033), (817, 35133), (903, 31787), (931, 30831), (1673, 17157), (2107, 13623), (2451, 11711), (2793, 10277), (4541, 6321), (5019, 5719)]