405287841

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 657538944

約数和(自身を除く): 252251103

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 277, 361, 399, 579, 831, 1083, 1351, 1939, 2527, 3667, 4053, 5263, 5817, 7581, 11001, 15789, 25669, 36841, 53461, 69673, 77007, 99997, 110523, 160383, 209019, 299991, 374227, 487711, 699979, 1015759, 1122681, 1463133, 2099937, 3047277, 7110313, 19299421, 21330939, 57898263, 135095947, 405287841]

約数ペア:

[(1, 405287841), (3, 135095947), (7, 57898263), (19, 21330939), (21, 19299421), (57, 7110313), (133, 3047277), (193, 2099937), (277, 1463133), (361, 1122681), (399, 1015759), (579, 699979), (831, 487711), (1083, 374227), (1351, 299991), (1939, 209019), (2527, 160383), (3667, 110523), (4053, 99997), (5263, 77007), (5817, 69673), (7581, 53461), (11001, 36841), (15789, 25669)]