7728288771

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{211}}^1\times {\mathrm{1291}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 12115321728

約数和(自身を除く): 4387032957

約数列:

[1, 3, 7, 21, 49, 147, 193, 211, 579, 633, 1291, 1351, 1477, 3873, 4053, 4431, 9037, 9457, 10339, 27111, 28371, 31017, 40723, 63259, 122169, 189777, 249163, 272401, 285061, 747489, 817203, 855183, 1744141, 1906807, 1995427, 5232423, 5720421, 5986281, 12208987, 13347649, 36626961, 40042947, 52573393, 157720179, 368013751, 1104041253, 2576096257, 7728288771]

約数ペア:

[(1, 7728288771), (3, 2576096257), (7, 1104041253), (21, 368013751), (49, 157720179), (147, 52573393), (193, 40042947), (211, 36626961), (579, 13347649), (633, 12208987), (1291, 5986281), (1351, 5720421), (1477, 5232423), (3873, 1995427), (4053, 1906807), (4431, 1744141), (9037, 855183), (9457, 817203), (10339, 747489), (27111, 285061), (28371, 272401), (31017, 249163), (40723, 189777), (63259, 122169)]